A martingale collar consists of two interconnected collars, that tightens around the neck when the dog walking on lead. The martingale collar is constructed so it only can tighten to the width of the dog's neck.
A martingale collar consists of two interconnected collars, that tightens around the neck when the dog walking on lead. The martingale collar is constructed so it only can tighten to the width of the dog's neck.