Issues Killer Chrome Plated Prong Collar with Swivel and Quick Release Snap Hook (2.25 mm x 16 inches) : Prong Collars, Pinch Collars, Dog Training Collars, Curogan Collars, Chain Dog Collars, Fur Saver Collars, Choke Dog Collars, Herm Sprenger Collars, Dog Muzzles