Use the following steps to bell train your puppy: STEPS 1 Hang dog door bells and training bells from the door that leads to your dog’s outdoor restroom. The dog door bell should fall at or just below the level of your dog’s nose. Point to the dog doorbell and say "touch. STEPS 2 When your dog touches the dog potty bell, open the door, step outside with her and give her a treat. The dog training bell is now associated with “outside.” Repeat this step several times until your dog gets it. STEPS 3 Guide your puppy to where you want it to potty and once done, reward with another treat. Keep repeating this process until it becomes natural for the dog to touching the dog bells for door potty training is the natural way to ask to be let.