A dog chain of dog clothes can help you teach your dog basic obedience and control. You don’t have to yell or punish the dog. Just put on the training collar and the dog will stop being naughty immediately. Each paw naturally increases the pressure to mimic a mother and her puppies. This crotch collar is a safe and humane way to stop your dog from barking. It is effective and safe, has no side effects, and will not electrocute or harm your pet. This dog collar is smooth and rounded to ensure it won’t hurt your pet and provides gentle pressure for training, similar to how a dog smoothes a puppy’s teeth, making your pet’s traction noticeable when walking. I agree. Suitable for: Small Dogs = 2.5mm x 35cm Medium Dogs = 3.0mm x 50cm Large Dogs = 3.5mm x 55cm x Large Dogs = 4.0mm x 60 cm for better control, we add a protective cover and add a carabiner for your effect. The team is focused on pet supplies and our mission is to ensure that every pet owner enjoys every second with their pet.