The Coachi Toilet Training Bells help make toilet training easy, simply train your dog to communicate when they need to go outside. Perfect for all puppies and dogs.They help provide a clear, consistent method of communication. Start by rewarding your dog, each time they touch the bells & progress to letting them out for a play & toilet as required.The Coachi Toilet Training Bells help avoid having damaged walls & doors, simply hang the bells on a door handle or hook & your dog c..