Doy Toys Treat Dispenser Manufacturer 1. This is a universal leakage toy for cats and dogs, original design, with adjustable leakage holes, you can choose 1 hole or 2 holes for leakage to control the leakage speed of the leakage toy. 2. The design is not inverted, so that dogs are more interested in playing this product. With a slight push, the product will leak snacks during the swinging back and forth. Daily use can improve the dog's IQ