Anti-Aggression Stainless Steel Pinch Collar with Center-Plate and Assembly Chain (4 mm x 25 inches) : Prong Collars, Pinch Collars, Dog Training Collars, Curogan Collars, Chain Dog Collars, Fur Saver Collars, Choke Dog Collars, Herm Sprenger Collars, Dog Muzzles