1.Dog toy is a multi-functional dog toy that combines massaging gums, tooth cleaning, and food leaking functions. 2.The serrated massage bumps can be used in when the dog plays with the toy, clean the dog’s incisor, canine and molars. 3.You can put dog food or snacks directly into it, so that dogs can get food rewards through their own efforts. 4.It not only increases the fun of toys, but also improves the dog’s IQ when playing. 5.You can also apply pet-specific toothpaste or food attractant directly on the cleaning channel to attract the dog’s interest in playing.