The MARTINGALE COLLAR was likely invented in the 1800s by a British coachman, though the exact date is unclear. It was originally designed for coaching dogs and is named after a similar piece of horse tack that prevents a horse’s head from being pulled up too high. The design allows the collar to tighten to a limited extent to prevent a dog from slipping out, especially useful for sighthounds with narrow heads. Purpose: To stop coaching dogs from pulling their heads out of their collars, which c

Starry Night Martingale Dog Collar - Etsy

Locking Martingale Collar

How to Choose, Fit and Use a Martingale Leash