Nowadays dogs no longer have to work for their food for many of your pets hunting is now a game that poses mental and physical challenges gnawing up the meat from the bones of prey did not just fight hunger it also exercised the chewing muscles and kept teeth clean with the kong stuff a ball you can offer your dog just this effect boredom and negative behaviour is prevented with this great toy the shape of the kong makes it roll and bounce in unpredictable ways this wakens many dogs