ht-pet Snappy Trainer Pet Deterrent is a training device that can be used to correct unwanted behaviors. Simply set and place the paddle in the area of interest and when the pet touches or bumps the snappy trainer, the large paddle swiftly lifts into the air making a loud snapping sound. The quick sound and movement of the paddle will startle the pet and discourage repeat behavior. The snappy trainer is designed to only startle and not harm your pet. It’s safe for training puppies, cats as well as rabbits.