This collar is equipped with pointed rubber design, when the dog barks at the passerby, just tighten the collar moderately through the leash, it can simulate the way the dog mother corrects the puppy's behavior, let the dog quickly realize the wrong behavior, help the owner easily correct the dog's bad behavior and establish the correct behavioral pattern.At the same time, the collar is designed with a rounded head and smooth surface, giving the dog a necessary and gentle reminder to avoid hurting the pet. Not only that, the collar can guide the dog to reduce pulling behavior, during the walking process, the pressure is evenly distributed on both sides of the dog's neck, avoiding the airway, reducing the risk of neck injuries, and ensuring that the dog is comfortable and safe. The main body of the collar is made of stainless steel, with excellent anti-rust and waterproof performance, fearless of various environmental challenges in daily use, accompanying the dog to grow for a long time. Every detail is carefully polished, with a soft rubber head, which realizes the function of dog training without harming the dog's skin.