You can always teach an adult dog to stop chasing cars, wildlife, and farm animals – but it’s a lot easier to reach a puppy not to pick up these unwanted hobbies in the first place. If you’ve got a breed inclined to chase, or a puppy of any kind who you’ll want to have around other animals as an adult. Puppy Un-Chase!® is a smart puppy raising investment. Plus it’s an awful lot of good fun!