Herm Sprenger MICRO Black Stainless Steel Training Collar with Swivel D ring 1.5mm 32cm (13in) : Prong Collars, Pinch Collars, Dog Training Collars, Curogan Collars, Chain Dog Collars, Fur Saver Collars, Choke Dog Collars, Herm Sprenger Collars, Dog Muzzles