Rambo is the happiest dog with new Dog prong collar - STAINLESS STEEL 50045 (55) (3.99mm) ( Made in Germany ) : Prong Collars, Pinch Collars, Dog Training Collars, Curogan Collars, Chain Dog Collars, Fur Saver Collars, Choke Dog Collars, Herm Sprenger Collars, Dog Muzzles