The DogBone BloodTrail Training Scent simulates the scent of a big game blood trail, so you can train your dog to find wounded game. Use the BloodTrail training scent in conjunction with the complete DogBone Game Recovery System, developed by renowned dog trainer Jeremy Moore. The BloodTrails liquid scent is made from actual deer blood. Set up the perfect training scenario by realistically simulating a wounded game blood trail. The included BloodTrail Scent Dripper allows us to do this by simulating the dripping effect of a bleeding animal in varying degrees of volume.Manufacturer model #: DB GRS. Lay a scent trail to train your dog to find wounded game Introduce your pup or dog to the scent that a wounded animal gives off Special dripper cap helps you simulate a blood trail Liquid scent made from actual deer blood Developed by renowned dog trainer Jeremy Moore