Made from natural glands and secretions. Cronk's Dog Training Scents provides you with the true odor of the animal you want your dog to trail. Lay a game trail and teach your dog to follow it. A great way to get your dog stated. Free instruction sheet included. Cronk's Dog Training Scents are available to teach your dog to run the following animals: Raccoon, Bear, Mountain Lion, Bobcat, Red Fox, Rabbit, Coyote, Deer, Grey fox, Wild Boar and Squirrel.