[UNIQUE DOG TOOTH COLLAR SET] It is effective and safe with no side effects, no electric shock or injury to your pets. [SCIENTIFIC TRAINING TOOL] The collar dog spike can help you teach Learn the basic Obedience and your dog's commands. 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 restraint 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 has a smooth surface and a round head. Equipped with a comfortable extended rubber sleeve, the large breed dog choke collar provides the necessary training pressure while protecting the airways and sensitive throat