Smart Hula Ring Hoops, Weighted Hula Circle 24 Detachable Fitness Ring with 360 Degree Auto-Spinning Ball Gymnastics, Massage, Adult Fitness for Weight Loss

Double Locking System Close the Track Buckle. Convenient Double Safe Locking System. Massage Head 360 Degree Surround Massage Head for a more comfortable abdominal Massage. High Quality 3 Set Bearing 3 Set High Quality Bearing. The Trolley Bearings ride smoothly ,efficiently and quietly in the Hoop Track. Pre-Filled Soft Gravity Weighted Ball Soft Pre-filled Gravity Ball. Recommended Shorten the rope for Beginners. You will get hang of it with more practice.