Do you have a puppy or dog who LOVES to chew? We have the spray for you! Apply to the K-9 Callus Cuff or to any other household item and it will help keep your very loved but mischievous Dog from chewing on it. Shake it well, then apply it to the K-9 Callus Cuff or to any other household area or items your dog is chewing on. (Always spot test area first) Ingredient: Distilled water and 100% Black pepper essential oil. ATTN: Essential oils can be toxic to cats