PoochieBells Dog Potty Training Doorbell helps you easily and quickly potty train any age dog and breed to ring their PoochieBells when it's potty time. Each PoochieBells comes with easy to follow, proven training instructions. Simply hang your PoochieBells on the inside of your door handle (or small hook next to your door) and follow our easy training instructions. Housetraining is easy with PoochieBells. Train your dog beyond puppy pads.