【CORRECT TRAINING】--- Supet Dog Prong Collar, Provide necessary training pressure while protecting the airway and neck sensitive area of dogs. No need to scream at a dog or punish it. You only have to pull the training collar and the dog will stop naughty immediately. Collar spreads pressure naturally to mimic mother dog carrying her pups. 【HUMANE AND NOT HURTING】--- This prong collars for dogs are smooth and rounded to ensure that no harm comes to your pet, and provides gentle pinching sensation to train them which is similar to how a mother dog corrects her puppies using her teeth, and at the same time, it also can ensure that your pet will pull significantly less while walking. 【STRONG AND RELIABLE】--- Supet steady dog training collar has a quick release snap, you can quickly unravel. It's necessary to use PLIERS when you need to add some links, you can't take it apart easily, either your pet dog. Be the pack leader with this safe and effective training collar.