The "tennis ball treat ball” works in a similar way to a kong and takes a matter of minutes to make. We suggest using our 100% chicken training treats (they fit perfectly inside a tennis ball!) To create the tennis ball treat ball follow the steps below: ⚾ Cut a line across the tennis ball or along the rubber ‘seam’. (If you squeeze the sides of the ball, it should open up) ⚾ Once it’s opened up, simply toss some treats into the ball and then let go. The ball should close again and look more lik