How To Exercise 1.First, you need adjust the number of connect the buckle according to your waist size. 2.Second, embed the pulley in the track, Put the two ends together and close the switch. 3.Swing the gravity ball together with the waist strength to start the exercise, swing the gravity ball clockwise. Benefits 1. Anybody can do this - It is suitable for men, women and children, never drop until you stop 2. Adjustable bracket - The hoop can be composed of sections, which can increase or decrease the number of slides on the main body to adjust the waist size. 3. Maximize the exercise benefit - Cardio benefit. 4. Ideal for burn calories/belly fat, and toning your abs