This patent-pending innovative toy twists and securely holds treats for safe and long-lasting play. For added fun and chewing satisfaction, the dog can move on to the Chew Perfect bone ends, which is GURU's non-toxic nylon wood bacon-scented chew material designed for a dog's safety and satisfaction. The Adjust-A-Chew also uses Clean and Polish; GURU's exclusive surface texturing designed to help clean and polish teeth.