Anti-Pulling Collars for Dogs: Martingale Collars, How They Work, and When to Use Them
What is a pull-stop collar for dogs?
The pull-stop collar (also known as a Martingale collar, semi-slip collar, or slip collar with a stop) is a safety collar with two loops: a wide main loop sits loosely around the neck; a smaller control loop tightens the main loop when the dog backs away or pulls—up to a defined stopping point that prevents the collar from tightening completely.
That is the key difference from a traditional choke collar (slip collar or chain slip collar): the anti-choke collar can never be completely closed. The built-in stop is not an optional safety feature, but an integral part of the design.
Background + Scientific Context
Pauli et al. (2006, Journal of the American Animal Hospital Association, PubMed 16717175) investigated the effect of neck pressure caused by Collar on intraocular pressure (IOP) in dogs: Any increase in neck pressure caused by leash tension—whether from Collar or a no-pull collar—is transmitted with varying intensity to the neck vessels, trachea, and intraocular pressure. Even no-pull collars generate neck pressure when tension is applied. For dogs with elevated IOP or a predisposition to glaucoma, even the choke collar is not an ideal solution— Harness is preferable in such cases.
Haverbeke et al. (2008, Applied Animal Behaviour Science, PubMed 18374741) describe equipment choices in working dog programs: Collars (including control collars) are used for trained dogs that walk reliably on a leash; for dogs in training, Harnesses or more specialized control systems are preferred. Pull-stop collars are established in the working dog community for sighthound breeds and narrow passages.
DIN EN 15023 (2012, Safety Requirements for Collar and Leash) defines strength and material requirements for Dog Collars on the German/EU market: tensile strength, buckle safety, and material compatibility. The pull-stop collar complies with these standards—the stop function itself is not a required component, but the mechanical strength is relevant.
Vitomalia-Position
The anti-pull collar is not a tool to prevent pulling—it is a safety device designed to prevent the dog from slipping out. Dogs with narrow heads (greyhounds, whippets) slip out of regular collars—the Pull-Stop Collar safely solves this specific problem. It is not designed as a training tool to prevent pulling on the leash and is no more effective than a regular collar.
When is the anti-pulling collar useful?
- Dogs with narrow heads (sighthounds, Whippets, Greyhounds, Salukis)
- Dogs that can slip out of regular Collars by walking backward
- Safety backup during transport or in unfamiliar environments
- As an identification/tracking collar with a stopper for hunting dogs
- An alternative to standard slip collars without a stop mechanism
- Not recommended as the primary training method for addressing leash pulling
Practical application
Comparison of Collar types:
| Type | Does it close completely? | Tensile force | Application |
|---|---|---|---|
| Standard collar | No (fixed width) | At least | Normal use |
| Zipper-Stop Necklace | No (Stop) | Lightweight in Zug | Safety, Greyhounds |
| Choke collar | And | Near Zug | Not recommended |
| Chain slip | And | High + Punch | Not recommended |
| Harness | Not applicable | No pressure on the throat | Smoking/medically indicated |
How to properly adjust the pull-stop collar: - When the dog is relaxed: two fingers should fit easily between Collar and the neck - When full (stop activated): no slack, but no feeling of constriction - Adjust the stop position correctly: When stopped, the metal D-ring should be about 2 cm above the top of the neck - Regular inspection: Check fabric loops, seams, and metal fasteners for wear and tear
What to look for when buying: - Soft fabric materials (no metal chain pull-stop without a safety lock) - Built-in D-ring for leash carabiners on the sturdy main loop - Adjustable for an optimal fit - Width adjusted to the dog's size (Whippet ≠ Labrador)
Common Mistakes & Myths
- “The pull-stop collar trains my dog not to pull on the leash.” No—the pressure isn’t strong enough to serve as a reliable punishment, and punishment-based methods are counterproductive in modern training anyway. The Collar is for safety, not training.
- “It’s the same as a choke collar.” The stop is the key difference. A properly adjusted choke collar cannot choke—it mechanically limits how tight it can get. A classic slip collar without a stop can tighten all the way.
- “A no-pull collar is safer for all dogs than a regular Collar.” For trained dogs that do not exhibit avoidance behavior, a properly fitted regular collar is sufficient. The no-pull collar addresses a specific problem (slipping out of the collar)—not every dog has this problem.
Current State of Research (2026)
The anti-pull collar is the standard collar recommended for sighthound breeds in the dog-training community. Scientific research on Collar injuries in dogs shows that any pressure on the neck can potentially affect sensitive structures—the intraocular pressure (IOP), trachea, and cervical nerves. For dogs with medical conditions (glaucoma, intervertebral disc problems, tracheal collapse), a Harness is the better choice regardless of Collar. No-pull collars with a stop function are safer than slip collars without a stop.
Frequently Asked Questions
Can my dog slip out of a slip collar?
If the stopper is set correctly: no. That is exactly what the design is meant to do—the stopper prevents the dog from pulling the Collar over its head when walking backward.
Is a pull-stop collar suitable for my greyhound?
Yes—it’s the standard collar for sighthound breeds (Greyhound, Whippet, Galgo). Their slender necks can slip out of regular collars; the pull-stop collar closes this safety gap.
Should I switch to a no-pull collar if my dog pulls on the leash?
Not intended as a training tool. The pull-stop collar is not an anti-pull device. For leash pull training: Use a chest-clip harness and implement leash pull training.
Related terms
Sources & Further Reading
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Pauli, A. M., Bentley, E., Diehl, K. A., & Miller, P. E. (2006). Effects of the application of neck pressure by a collar or harness on intraocular pressure in dogs. Journal of the American Animal Hospital Association, 42(3), 207–211. https://pubmed.ncbi.nlm.nih.gov/16717175/
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Haverbeke, A., Laporte, B., Depiereux, E., Giffroy, J. M., & Diederich, C. (2008). Effects of training methods on the behaviour and stress responses of police dogs. Applied Animal Behaviour Science, 114(1–2), 298–310. https://pubmed.ncbi.nlm.nih.gov/18374741/
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DIN EN 15023. (2012). Leather and leather goods – Collars and Leashes for pets – Safety requirements. Beuth Verlag.
Pulling point for dogs: front or back – which attachment point
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