Petmate Mighty Link Chain Extra-Heavy Training Collar

This prong training collar helps you control even the most stubborn dog. It's electronically welded for maximum strength, nickel-and chrome-plated for durability and unconditionally guaranteed against rust, tarnish or breakage. This collar is made of interlocking links, each with two blunt prongs that meet the dog's skin when the collar tightens delivering a mild correction with a slow pull and release motion.Prong collars should be put on and taken off before and after daily training sessions.Warning: This collar is to be used when training with a leash. It is not recommended to be left on unattended dogs.