How to Use a Prong Collar Safely: Step-by-Step Guide

Quick answer

Use a prong collar only as a short-term training tool with a proper fit, a calm leash, and clear timing. The collar should sit high on the neck, just behind the ears, and be snug enough that it does not slide down when the dog shakes. Add or remove links to get that fit, then pair every correction with a reward for the behavior you want.

A prong collar is not a plug-and-play tool. It works when the fit is right, the pressure is brief, and the dog understands what to do instead. If you skip sizing or use it as a permanent walking collar, you can create confusion and discomfort instead of clear communication.

This guide walks through the steps in order: sizing, fitting, introducing pressure, timing, and knowing when to stop using it. It also covers how replacement links from Herm Sprenger Ultra-Plus collars let you fine-tune the fit without buying a new collar.

Step 1: Check whether a prong collar is the right tool

Prong collars are designed for dogs that pull hard or ignore other training cues, not for puppies or dogs that already walk politely. If your dog responds to a front-clip harness or a treat-based loose-leash game, use that first. A prong collar is a pressure tool, and pressure only teaches if the dog can turn it off by making a better choice.

Talk to a trainer or behavior professional before using one on a dog with a history of fear, aggression, or neck injury. The goal is not to punish the dog but to give a clear, brief signal that pulling does not work.

• Common mistake: buying a prong collar because it looks like a quick fix instead of teaching a loose-leash behavior first.

Step 2: Size the collar and add links for a precise fit

A prong collar should sit high on the neck, just behind the ears and under the jaw. It should be snug enough that it does not slide down when the dog shakes its head, but loose enough that you can slip one finger under a link. If it hangs low on the shoulders, it will not communicate clearly and can rub.

Herm Sprenger Ultra-Plus collars are built from interlocking links, so you can customize the length. The 2.25mm Curgoan Herm Sprenger Ultra-Plus Prong Training Dog Collar Replacement Links add length to an existing Ultra-Plus collar, and the blunt design attaches to existing links for a perfect fit. If you need a heavier gauge, the 3.25mm Stainless Herm Sprenger Ultra-Plus Prong Training Dog Collar Replacement Links do the same job in stainless steel.

• Checkpoint: before adding a link, put the collar on the dog and check the fit with one finger under the nearest link.

Step 3: Introduce the collar without pressure

Put the collar on for a few minutes at home while you feed treats or play a calm game. Let the dog feel the weight and the links without any leash tension. If the dog scratches at it or freezes, take it off and try again later with higher-value rewards.

Do not attach a leash and immediately go for a walk. The first sessions are about making the collar feel neutral, not about correcting pulling. Once the dog ignores the collar, you can clip on a light leash in a low-distraction space.

• Common mistake: putting the collar on for the first time right before a busy walk.

Step 4: Teach the meaning of leash pressure

Start in a hallway or yard with no other dogs or people. Walk a few steps, and the moment the leash goes tight, give a brief, gentle pop-and-release with the leash, then immediately change direction. The pop should be a signal, not a jerk. The release is what teaches the dog that yielding to pressure turns it off.

Reward the dog the instant it moves with you or looks at you. Keep sessions to two or three minutes, and end while the dog is still succeeding. If the dog is shutting down, yelping, or fighting the collar, stop and get hands-on help from a trainer.

• Checkpoint: the leash should be loose most of the time; if it is tight for more than a second, you are late.

Step 5: Time the pressure and release correctly

The correction happens as the dog starts to pull, not after it has already dragged you ten feet. A well-timed pop-and-release is brief and followed by a clear cue, such as 'let's go' or a turn. The dog should have a way to earn a reward within a second or two.

Never use the collar to hold the dog back or to lift it off the ground. It is not a restraint device. If you find yourself keeping constant tension, the dog is not learning; it is just feeling pressure.

• Common mistake: correcting after the behavior has ended, which teaches the dog that the collar is unpredictable.

Step 6: Fade the collar and maintain the behavior

Once your dog walks politely on a loose leash in several locations, switch to a flat collar or harness for easy walks and keep the prong collar for high-distraction training only. The goal is to need it less over time, not to make it part of the dog's daily outfit.

If pulling returns when you switch back, go back one step and practice in a quieter place. A prong collar is a training phase, not a permanent solution. If you are not seeing progress within a few weeks, a certified trainer can check your timing and fit.

• Checkpoint: if you cannot walk the dog on a flat collar after several weeks of consistent training, get professional eyes on the process.

Your step-by-step prong collar checklist

1. Size and fit: Place the collar high on the neck, just behind the ears. It should be snug but allow one finger under a link. Add or remove links to get that fit. Checkpoint: if the collar slides down to the shoulders when the dog shakes, it is too loose.
2. Neutral introduction: Put the collar on for short, calm sessions with treats. Do not attach a leash until the dog ignores the collar. Common mistake: rushing to a walk before the dog is comfortable.
3. Leash pressure basics: In a quiet space, give a brief pop-and-release as the leash tightens, then change direction and reward the dog for following. Checkpoint: the leash should be loose most of the time.
4. Timing and release: Correct as the dog starts to pull, not after. Release immediately and give a clear cue or reward. Common mistake: holding constant tension instead of a quick signal.
5. Fade the tool: Practice in new places, then switch to a flat collar for easy walks. Keep the prong collar for training sessions only. If progress stalls, get a trainer to review your fit and timing.

Products that help with fit and training

• 2.25mm Curgoan Herm Sprenger Ultra-Plus Prong Training Dog Collar Replacement Links: These links are used to add length to the Herm Sprenger Ultra-Plus Prong Training Dog Collars. The blunt design is effective and easily attaches to existing links for a perfect fit. If your dog is between sizes or you need a slightly larger collar, these links let you adjust the fit without buying a whole new collar.
• 3.25mm Stainless Herm Sprenger Ultra-Plus Prong Training Dog Collar Replacement Links: These links are used to add length to the Herm Sprenger Ultra-Plus Prong Training Dog Collars. The blunt design is effective and easily attaches to existing links for a perfect fit. For a heavier gauge collar, these stainless links add length while keeping the same secure connection.
• Herm Sprenger NeckTech Sport Black Stainless Links (2): All Herm Sprenger Neck-Tech Sport collars come in standard sizes. But you can customize each of them for the perfect fit by adding or removing links. Each extra link for stainless steel Neck-Tech collars will add 1.25" (3 cm) to the total length of the collar. If you use a Neck-Tech collar, these links let you fine-tune the fit by small increments instead of guessing at a new size.

A prong collar can be a clear communication tool when the fit is precise and the pressure is brief. Use the steps above, adjust the links for a custom fit, and phase the collar out as your dog learns to walk politely.