FOOEY Ultra-Bitter Training Aid Spray – Chewing, Biting, Licking Deterrent for Dogs, Cats, Horses, Rabbits, Ferrets, Birds - Safe for Pet’s Skin – Can Also Protect Garden from Deer and Pests (16 oz.)Brand: Fooey Features: SO DISGUSTINGLY BITTER Fooey Spray is so disgustingly bitter, we actually have a registered trademark to say its the most bitter stuff on earthinch The taste comes from grapefruit skin extract and the herb known as The King of Bitters. inch These all natural active ingredients deliver a safe, effective and powerful deterrent to destructive chewing, biting and licking behaviors. TRAINING AID Use Fooey in conjunction with training