Pet Supplies Large Pinch Collar Dog Prong Collar Dog Training Collar Medium And Small Dogs Stainless Steel Adjustable With Comfort Rubber TipsRound head dog collar links: when dog pulling, link's round head will evenly apply remind. Which mimics the correction that a mother dog naturally gives to her puppies. This durable dog collar is made of high quality stainless steel with rust and water resistant construction for years of use. No Grip Strenghth Required: Adjustable size, You can add or remove individual chains on the dog prong collar to fit your dog's neck as needed.