AGPTEK Waist Disc Trainer Board Waist Twister with Foot Massage for Exercise Fitness This is a brand new and high quality massage board, it can make you do exercise at home without going to gym. Its friction particle and magnet design can make you stay fit and healthy. Friction particle can be more effectively promoted blood circulation Massage points provide relaxing stimulationand traction for your feet Stay fit and healthy, a larger overall exercise your body Portable, use it at home, in the office or gym