[UNIQUE DOG PIN COLLARS SET] Dog clip collars package comes with 1 nylon protector. It is effective and safe with no side effects, no electric shock or harm to your pets. [SCIENTIFIC TRAINING TOOL] The spiked dog collar can help you teach your dog basic obedience and command functions. The dog claw training collar is designed for the necessary stress training. There is no need to yell or punish a dog. Simply pull the dog choke collar and the dog will stop immediately. [STRONG AND EASY TO USE] The dog clamp collar is made of high-strength, chrome-plated stainless steel recommended by trainers. The dog prong collars are designed with silver plating for the links, which can offer your dogs stable using time. In addition, the martingale chain slides smoothly, making correction easier. [SAFE AND SECURE] The dog prong collar features smooth surface and round head. Equipped with a comfortable, extended rubber sleeve, the choke collar for large breed dogs provides the necessary training