fido chewstop bitter pet sprayChewstop is a bitterant spray and training aid used to effectively discourage chewing of household objects. Spray Chewstop on furniture, upholstery, clothing, plants and other household items to stop dogs and puppies from chewing. Apply daily for about 2 weeks or as necessary. Make sure your dog or puppy has access to alternative toys or objects that they are allowed to chew on.