{"title":"Herm Sprenger Ultra-Plus Prong Collar — 2.25mm","description":"\u003cp\u003eThe \u003cb\u003eHerm Sprenger 2.25mm Ultra-Plus\u003c\/b\u003e — the everyday all-rounder for most medium dogs such as Cocker Spaniels, Border Collies and Staffordshire Bull Terriers. Genuine German-engineered Herm Sprenger quality, available with a Twin O-Ring or Swivel D-Ring in stainless steel, Curogan, chrome or black.\u003c\/p\u003e","products":[{"product_id":"herm-sprenger-black-stainless-steel-ultra-plus-twin-o-ring-prong-dog-collar","title":"Herm Sprenger® 2.25mm Ultra-Plus Prong Collar – Twin O-Ring (Black Stainless Steel)","description":"\u003cp\u003eA great piece of equipment to begin teaching your dog the foundation of following leash pressure, the Herm Sprenger 2.25mm Ultra-Plus prong collar is a tool that provides clear communication between dog and handler. The collar itself has blunt, rounded prongs that spread pressure evenly around the neck, instead of one pressure point on the trachea like a flat collar. We only supply genuine Herm Sprenger prong collars — German-engineered and the standard trusted by working and sport handlers worldwide — with the Ultra-Plus centre-plate for a smooth, secure fit. Fitted correctly and used with guidance, it can make your walks enjoyable again.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eBest for most medium dogs — the everyday all-rounder\u003c\/b\u003e — think spaniels, collies, Staffies and similar. The 2.25mm is the go-to first prong for the average pet dog, in a \u003cb\u003eblack stainless steel\u003c\/b\u003e finish — the same rust-resistant steel with a discreet matte-black coating. Choose your gauge by your dog's strength, not neck size — length is set by adding or removing links.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eTwin O-Ring or Swivel D-Ring — which should I choose?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eBoth attach your lead to the same collar; the difference is how the pressure feels and how the lead sits.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eTwin O-Ring\u003c\/b\u003e — two rings give you a choice. Clip to \u003cb\u003eboth rings\u003c\/b\u003e for a softer, limited-cinch action (the \"dead ring\" setup most handlers use day to day); clip to the \u003cb\u003esingle live ring\u003c\/b\u003e for a fuller, more direct tightening action when you want clearer feedback. The versatile, adjustable option.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSwivel D-Ring\u003c\/b\u003e — a single ring on a swivel that turns freely so your lead never twists or tangles. A clean, direct connection, ideal for dogs that move around a lot, switch sides, or work on a long line.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eThis collar is the Twin O-Ring version.\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eCORRECT USE \u0026amp; FITTING\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eA prong collar only works when it's fitted correctly — worn wrongly it's both useless and unkind.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIn most cases the collar should sit high on the neck, right behind the ears and up under the jawline.\u003c\/li\u003e\n\u003cli\u003eFit it snug by adding or removing links so it sits high and level — never buy a bigger collar and leave it loose.\u003c\/li\u003e\n\u003cli\u003eMatch the gauge to your dog's size, not to the collar's length.\u003c\/li\u003e\n\u003cli\u003eAlways run a backup: a safety clip or coupling strap to a flat collar, so your dog is never held by the prong alone.\u003c\/li\u003e\n\u003cli\u003eGenerally we would not recommend prong collars for dogs under 7–9 months.\u003c\/li\u003e\n\u003cli\u003eNew to prong collars? Work with a qualified \u003ca href=\"https:\/\/k9-corner.co.uk\/pages\/dog-trainer-list\"\u003ebalanced trainer\u003c\/a\u003e. A prong supports training — it isn't a shortcut.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAs with any training tool, you must condition the dog to the tool to ensure the best results. Applying a prong collar will not magically fix your dog's pulling issues, but when introduced and conditioned properly, it can improve and build strong communication between you and your dog.\u003c\/p\u003e\n\u003cp\u003eWe do not condone the improper use of our training prong collars. We strongly recommend seeking professional advice before utilising any training tool. To browse our list of dog trainers and behaviourists, please click \u003ca href=\"https:\/\/k9-corner.co.uk\/pages\/dog-trainer-list\"\u003ehere\u003c\/a\u003e.\u003c\/p\u003e","brand":"Herm Sprenger","offers":[{"title":"2.25mm","offer_id":49510276432211,"sku":"K9_5003501057","price":36.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0899\/3138\/3123\/files\/Shopify_product_image_46.png?v=1736008621"},{"product_id":"herm-sprenger-stainless-steel-ultra-plus-twin-o-ring-prong-collar","title":"Herm Sprenger® 2.25mm Ultra-Plus Prong Collar – Twin O-Ring (Stainless Steel)","description":"\u003cp\u003eA great piece of equipment to begin teaching your dog the foundation of following leash pressure, the Herm Sprenger 2.25mm Ultra-Plus prong collar is a tool that provides clear communication between dog and handler. The collar itself has blunt, rounded prongs that spread pressure evenly around the neck, instead of one pressure point on the trachea like a flat collar. We only supply genuine Herm Sprenger prong collars — German-engineered and the standard trusted by working and sport handlers worldwide — with the Ultra-Plus centre-plate for a smooth, secure fit. Fitted correctly and used with guidance, it can make your walks enjoyable again.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eBest for most medium dogs — the everyday all-rounder\u003c\/b\u003e — think spaniels, collies, Staffies and similar. The 2.25mm is the go-to first prong for the average pet dog, in hard-wearing \u003cb\u003estainless steel\u003c\/b\u003e that won't rust or stain the coat. Choose your gauge by your dog's strength, not neck size — length is set by adding or removing links.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eTwin O-Ring or Swivel D-Ring — which should I choose?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eBoth attach your lead to the same collar; the difference is how the pressure feels and how the lead sits.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eTwin O-Ring\u003c\/b\u003e — two rings give you a choice. Clip to \u003cb\u003eboth rings\u003c\/b\u003e for a softer, limited-cinch action (the \"dead ring\" setup most handlers use day to day); clip to the \u003cb\u003esingle live ring\u003c\/b\u003e for a fuller, more direct tightening action when you want clearer feedback. The versatile, adjustable option.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSwivel D-Ring\u003c\/b\u003e — a single ring on a swivel that turns freely so your lead never twists or tangles. A clean, direct connection, ideal for dogs that move around a lot, switch sides, or work on a long line.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eThis collar is the Twin O-Ring version.\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eCORRECT USE \u0026amp; FITTING\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eA prong collar only works when it's fitted correctly — worn wrongly it's both useless and unkind.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIn most cases the collar should sit high on the neck, right behind the ears and up under the jawline.\u003c\/li\u003e\n\u003cli\u003eFit it snug by adding or removing links so it sits high and level — never buy a bigger collar and leave it loose.\u003c\/li\u003e\n\u003cli\u003eMatch the gauge to your dog's size, not to the collar's length.\u003c\/li\u003e\n\u003cli\u003eAlways run a backup: a safety clip or coupling strap to a flat collar, so your dog is never held by the prong alone.\u003c\/li\u003e\n\u003cli\u003eGenerally we would not recommend prong collars for dogs under 7–9 months.\u003c\/li\u003e\n\u003cli\u003eNew to prong collars? Work with a qualified \u003ca href=\"https:\/\/k9-corner.co.uk\/pages\/dog-trainer-list\"\u003ebalanced trainer\u003c\/a\u003e. A prong supports training — it isn't a shortcut.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAs with any training tool, you must condition the dog to the tool to ensure the best results. Applying a prong collar will not magically fix your dog's pulling issues, but when introduced and conditioned properly, it can improve and build strong communication between you and your dog.\u003c\/p\u003e\n\u003cp\u003eWe do not condone the improper use of our training prong collars. We strongly recommend seeking professional advice before utilising any training tool. To browse our list of dog trainers and behaviourists, please click \u003ca href=\"https:\/\/k9-corner.co.uk\/pages\/dog-trainer-list\"\u003ehere\u003c\/a\u003e.\u003c\/p\u003e","brand":"Herm Sprenger","offers":[{"title":"2.25mm","offer_id":49510290653523,"sku":"k9_5003501055","price":36.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0899\/3138\/3123\/files\/Shopify_product_image_47.png?v=1736007924"},{"product_id":"herm-sprenger-black-stainless-steel-ultra-plus-swivel-d-ring-prong-collar","title":"Herm Sprenger® 2.25mm Ultra-Plus Prong Collar – Swivel D-Ring (Black Stainless Steel)","description":"\u003cp\u003eA great piece of equipment to begin teaching your dog the foundation of following leash pressure, the Herm Sprenger 2.25mm Ultra-Plus prong collar is a tool that provides clear communication between dog and handler. The collar itself has blunt, rounded prongs that spread pressure evenly around the neck, instead of one pressure point on the trachea like a flat collar. We only supply genuine Herm Sprenger prong collars — German-engineered and the standard trusted by working and sport handlers worldwide — with the Ultra-Plus centre-plate for a smooth, secure fit. Fitted correctly and used with guidance, it can make your walks enjoyable again.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eBest for most medium dogs — the everyday all-rounder\u003c\/b\u003e — think spaniels, collies, Staffies and similar. The 2.25mm is the go-to first prong for the average pet dog, in a \u003cb\u003eblack stainless steel\u003c\/b\u003e finish — the same rust-resistant steel with a discreet matte-black coating. Choose your gauge by your dog's strength, not neck size — length is set by adding or removing links.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eTwin O-Ring or Swivel D-Ring — which should I choose?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eBoth attach your lead to the same collar; the difference is how the pressure feels and how the lead sits.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eTwin O-Ring\u003c\/b\u003e — two rings give you a choice. Clip to \u003cb\u003eboth rings\u003c\/b\u003e for a softer, limited-cinch action (the \"dead ring\" setup most handlers use day to day); clip to the \u003cb\u003esingle live ring\u003c\/b\u003e for a fuller, more direct tightening action when you want clearer feedback. The versatile, adjustable option.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSwivel D-Ring\u003c\/b\u003e — a single ring on a swivel that turns freely so your lead never twists or tangles. A clean, direct connection, ideal for dogs that move around a lot, switch sides, or work on a long line.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eThis collar is the Swivel D-Ring version.\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eCORRECT USE \u0026amp; FITTING\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eA prong collar only works when it's fitted correctly — worn wrongly it's both useless and unkind.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIn most cases the collar should sit high on the neck, right behind the ears and up under the jawline.\u003c\/li\u003e\n\u003cli\u003eFit it snug by adding or removing links so it sits high and level — never buy a bigger collar and leave it loose.\u003c\/li\u003e\n\u003cli\u003eMatch the gauge to your dog's size, not to the collar's length.\u003c\/li\u003e\n\u003cli\u003eAlways run a backup: a safety clip or coupling strap to a flat collar, so your dog is never held by the prong alone.\u003c\/li\u003e\n\u003cli\u003eGenerally we would not recommend prong collars for dogs under 7–9 months.\u003c\/li\u003e\n\u003cli\u003eNew to prong collars? Work with a qualified \u003ca href=\"https:\/\/k9-corner.co.uk\/pages\/dog-trainer-list\"\u003ebalanced trainer\u003c\/a\u003e. A prong supports training — it isn't a shortcut.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAs with any training tool, you must condition the dog to the tool to ensure the best results. Applying a prong collar will not magically fix your dog's pulling issues, but when introduced and conditioned properly, it can improve and build strong communication between you and your dog.\u003c\/p\u003e\n\u003cp\u003eWe do not condone the improper use of our training prong collars. We strongly recommend seeking professional advice before utilising any training tool. To browse our list of dog trainers and behaviourists, please click \u003ca href=\"https:\/\/k9-corner.co.uk\/pages\/dog-trainer-list\"\u003ehere\u003c\/a\u003e.\u003c\/p\u003e","brand":"Herm Sprenger","offers":[{"title":"2.25mm","offer_id":49510334202195,"sku":"K9_5013501057","price":36.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0899\/3138\/3123\/files\/Shopify_product_image_48.png?v=1755330649"},{"product_id":"herm-sprenger-curogan-twin-o-ring-prong-collar","title":"Herm Sprenger® 2.25mm Ultra-Plus Prong Collar – Twin O-Ring (Curogan)","description":"\u003cp\u003eA great piece of equipment to begin teaching your dog the foundation of following leash pressure, the Herm Sprenger 2.25mm Ultra-Plus prong collar is a tool that provides clear communication between dog and handler. The collar itself has blunt, rounded prongs that spread pressure evenly around the neck, instead of one pressure point on the trachea like a flat collar. We only supply genuine Herm Sprenger prong collars — German-engineered and the standard trusted by working and sport handlers worldwide — with the Ultra-Plus centre-plate for a smooth, secure fit. Fitted correctly and used with guidance, it can make your walks enjoyable again.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eBest for most medium dogs — the everyday all-rounder\u003c\/b\u003e — think spaniels, collies, Staffies and similar. The 2.25mm is the go-to first prong for the average pet dog, in \u003cb\u003eCurogan\u003c\/b\u003e — Herm Sprenger's nickel-free copper alloy that's kind to skin-sensitive dogs and won't rust. Choose your gauge by your dog's strength, not neck size — length is set by adding or removing links.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eTwin O-Ring or Swivel D-Ring — which should I choose?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eBoth attach your lead to the same collar; the difference is how the pressure feels and how the lead sits.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eTwin O-Ring\u003c\/b\u003e — two rings give you a choice. Clip to \u003cb\u003eboth rings\u003c\/b\u003e for a softer, limited-cinch action (the \"dead ring\" setup most handlers use day to day); clip to the \u003cb\u003esingle live ring\u003c\/b\u003e for a fuller, more direct tightening action when you want clearer feedback. The versatile, adjustable option.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSwivel D-Ring\u003c\/b\u003e — a single ring on a swivel that turns freely so your lead never twists or tangles. A clean, direct connection, ideal for dogs that move around a lot, switch sides, or work on a long line.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eThis collar is the Twin O-Ring version.\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eCORRECT USE \u0026amp; FITTING\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eA prong collar only works when it's fitted correctly — worn wrongly it's both useless and unkind.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIn most cases the collar should sit high on the neck, right behind the ears and up under the jawline.\u003c\/li\u003e\n\u003cli\u003eFit it snug by adding or removing links so it sits high and level — never buy a bigger collar and leave it loose.\u003c\/li\u003e\n\u003cli\u003eMatch the gauge to your dog's size, not to the collar's length.\u003c\/li\u003e\n\u003cli\u003eAlways run a backup: a safety clip or coupling strap to a flat collar, so your dog is never held by the prong alone.\u003c\/li\u003e\n\u003cli\u003eGenerally we would not recommend prong collars for dogs under 7–9 months.\u003c\/li\u003e\n\u003cli\u003eNew to prong collars? Work with a qualified \u003ca href=\"https:\/\/k9-corner.co.uk\/pages\/dog-trainer-list\"\u003ebalanced trainer\u003c\/a\u003e. A prong supports training — it isn't a shortcut.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAs with any training tool, you must condition the dog to the tool to ensure the best results. Applying a prong collar will not magically fix your dog's pulling issues, but when introduced and conditioned properly, it can improve and build strong communication between you and your dog.\u003c\/p\u003e\n\u003cp\u003eWe do not condone the improper use of our training prong collars. We strongly recommend seeking professional advice before utilising any training tool. To browse our list of dog trainers and behaviourists, please click \u003ca href=\"https:\/\/k9-corner.co.uk\/pages\/dog-trainer-list\"\u003ehere\u003c\/a\u003e.\u003c\/p\u003e","brand":"Herm Sprenger","offers":[{"title":"2.25mm","offer_id":49775332688211,"sku":"K9_5003501067","price":40.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0899\/3138\/3123\/files\/Shopify_product_image_43.png?v=1736007617"},{"product_id":"herm-sprenger-stainless-steel-ultra-plus-swivel-d-ring-prong-collar-copy","title":"Herm Sprenger® 2.25mm Ultra-Plus Prong Collar – Swivel D-Ring (Chrome-Plated Steel)","description":"\u003cp\u003eA great piece of equipment to begin teaching your dog the foundation of following leash pressure, the Herm Sprenger 2.25mm Ultra-Plus prong collar is a tool that provides clear communication between dog and handler. The collar itself has blunt, rounded prongs that spread pressure evenly around the neck, instead of one pressure point on the trachea like a flat collar. We only supply genuine Herm Sprenger prong collars — German-engineered and the standard trusted by working and sport handlers worldwide — with the Ultra-Plus centre-plate for a smooth, secure fit. Fitted correctly and used with guidance, it can make your walks enjoyable again.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eBest for most medium dogs — the everyday all-rounder\u003c\/b\u003e — think spaniels, collies, Staffies and similar. The 2.25mm is the go-to first prong for the average pet dog, in a bright, traditional \u003cb\u003echrome-plated steel\u003c\/b\u003e finish at our most accessible price. Choose your gauge by your dog's strength, not neck size — length is set by adding or removing links.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eTwin O-Ring or Swivel D-Ring — which should I choose?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eBoth attach your lead to the same collar; the difference is how the pressure feels and how the lead sits.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eTwin O-Ring\u003c\/b\u003e — two rings give you a choice. Clip to \u003cb\u003eboth rings\u003c\/b\u003e for a softer, limited-cinch action (the \"dead ring\" setup most handlers use day to day); clip to the \u003cb\u003esingle live ring\u003c\/b\u003e for a fuller, more direct tightening action when you want clearer feedback. The versatile, adjustable option.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSwivel D-Ring\u003c\/b\u003e — a single ring on a swivel that turns freely so your lead never twists or tangles. A clean, direct connection, ideal for dogs that move around a lot, switch sides, or work on a long line.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eThis collar is the Swivel D-Ring version.\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eCORRECT USE \u0026amp; FITTING\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eA prong collar only works when it's fitted correctly — worn wrongly it's both useless and unkind.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIn most cases the collar should sit high on the neck, right behind the ears and up under the jawline.\u003c\/li\u003e\n\u003cli\u003eFit it snug by adding or removing links so it sits high and level — never buy a bigger collar and leave it loose.\u003c\/li\u003e\n\u003cli\u003eMatch the gauge to your dog's size, not to the collar's length.\u003c\/li\u003e\n\u003cli\u003eAlways run a backup: a safety clip or coupling strap to a flat collar, so your dog is never held by the prong alone.\u003c\/li\u003e\n\u003cli\u003eGenerally we would not recommend prong collars for dogs under 7–9 months.\u003c\/li\u003e\n\u003cli\u003eNew to prong collars? Work with a qualified \u003ca href=\"https:\/\/k9-corner.co.uk\/pages\/dog-trainer-list\"\u003ebalanced trainer\u003c\/a\u003e. A prong supports training — it isn't a shortcut.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAs with any training tool, you must condition the dog to the tool to ensure the best results. Applying a prong collar will not magically fix your dog's pulling issues, but when introduced and conditioned properly, it can improve and build strong communication between you and your dog.\u003c\/p\u003e\n\u003cp\u003eWe do not condone the improper use of our training prong collars. We strongly recommend seeking professional advice before utilising any training tool. To browse our list of dog trainers and behaviourists, please click \u003ca href=\"https:\/\/k9-corner.co.uk\/pages\/dog-trainer-list\"\u003ehere\u003c\/a\u003e.\u003c\/p\u003e","brand":"Herm Sprenger","offers":[{"title":"2.25mm","offer_id":51706749845843,"sku":"K9_5013501002","price":36.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0899\/3138\/3123\/files\/Shopify_product_image_49.png?v=1736008533"},{"product_id":"herm-sprenger-stainless-steel-ultra-plus-swivel-d-ring-prong-collar","title":"Herm Sprenger® 2.25mm Ultra-Plus Prong Collar – Swivel D-Ring (Stainless Steel)","description":"\u003cp\u003eA great piece of equipment to begin teaching your dog the foundation of following leash pressure, the Herm Sprenger 2.25mm Ultra-Plus prong collar is a tool that provides clear communication between dog and handler. The collar itself has blunt, rounded prongs that spread pressure evenly around the neck, instead of one pressure point on the trachea like a flat collar. We only supply genuine Herm Sprenger prong collars — German-engineered and the standard trusted by working and sport handlers worldwide — with the Ultra-Plus centre-plate for a smooth, secure fit. Fitted correctly and used with guidance, it can make your walks enjoyable again.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eBest for most medium dogs — the everyday all-rounder\u003c\/b\u003e — think spaniels, collies, Staffies and similar. The 2.25mm is the go-to first prong for the average pet dog, in hard-wearing \u003cb\u003estainless steel\u003c\/b\u003e that won't rust or stain the coat. Choose your gauge by your dog's strength, not neck size — length is set by adding or removing links.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eTwin O-Ring or Swivel D-Ring — which should I choose?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eBoth attach your lead to the same collar; the difference is how the pressure feels and how the lead sits.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eTwin O-Ring\u003c\/b\u003e — two rings give you a choice. Clip to \u003cb\u003eboth rings\u003c\/b\u003e for a softer, limited-cinch action (the \"dead ring\" setup most handlers use day to day); clip to the \u003cb\u003esingle live ring\u003c\/b\u003e for a fuller, more direct tightening action when you want clearer feedback. The versatile, adjustable option.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSwivel D-Ring\u003c\/b\u003e — a single ring on a swivel that turns freely so your lead never twists or tangles. A clean, direct connection, ideal for dogs that move around a lot, switch sides, or work on a long line.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eThis collar is the Swivel D-Ring version.\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eCORRECT USE \u0026amp; FITTING\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eA prong collar only works when it's fitted correctly — worn wrongly it's both useless and unkind.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIn most cases the collar should sit high on the neck, right behind the ears and up under the jawline.\u003c\/li\u003e\n\u003cli\u003eFit it snug by adding or removing links so it sits high and level — never buy a bigger collar and leave it loose.\u003c\/li\u003e\n\u003cli\u003eMatch the gauge to your dog's size, not to the collar's length.\u003c\/li\u003e\n\u003cli\u003eAlways run a backup: a safety clip or coupling strap to a flat collar, so your dog is never held by the prong alone.\u003c\/li\u003e\n\u003cli\u003eGenerally we would not recommend prong collars for dogs under 7–9 months.\u003c\/li\u003e\n\u003cli\u003eNew to prong collars? Work with a qualified \u003ca href=\"https:\/\/k9-corner.co.uk\/pages\/dog-trainer-list\"\u003ebalanced trainer\u003c\/a\u003e. A prong supports training — it isn't a shortcut.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAs with any training tool, you must condition the dog to the tool to ensure the best results. Applying a prong collar will not magically fix your dog's pulling issues, but when introduced and conditioned properly, it can improve and build strong communication between you and your dog.\u003c\/p\u003e\n\u003cp\u003eWe do not condone the improper use of our training prong collars. We strongly recommend seeking professional advice before utilising any training tool. To browse our list of dog trainers and behaviourists, please click \u003ca href=\"https:\/\/k9-corner.co.uk\/pages\/dog-trainer-list\"\u003ehere\u003c\/a\u003e.\u003c\/p\u003e","brand":"Herm Sprenger","offers":[{"title":"2.25mm","offer_id":53709552550227,"sku":"K9_5013501055","price":36.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0899\/3138\/3123\/files\/Shopify_product_image_49.png?v=1736008533"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0899\/3138\/3123\/collections\/new_collections_29_dc4a9720-e666-4ce0-b02c-3b1baec90edc.png?v=1778013462","url":"https:\/\/k9-corner.co.uk\/collections\/prong-collars-2-25mm.oembed","provider":"K9 Corner","version":"1.0","type":"link"}