🔔IDEAL TRAINING DEVICE: This door knob bells for dogs to train is very simple to use. All you need to do is follow our simple 3 step training guide and teach them how to sign a signal when needed to toilet or go out. It can instead of hearing barking and scratching. It can also be used for games, increasing the closeness between you and your dog even more! 🔔ADJUSTABLE LENGTH: The rope has a carabiner and round clip closure that allows you to hang it on any type of doorknob. And the round clip closure is adjustable so that the length of the rope fits the height of the door. 6 bells of different heights that are able to be touched by pets of any size. (Package -- 2 pcs gold) 🔔ATTRACTIVE DESIGN: Handmade in beautiful woven style. 6 horn-shaped bells that jingle loudly enough to be heard throughout the house, but not so loud as to be obnoxious. The bell has a glossy, shiny surface that won't rust. It's not only a doorbell, a perfect decoration for your room.