Twister Board for Exercise Waist Twisting Disc with 6 Magnets,  Foot Massage, for Slimming Waist and Strengthening Abs Core at Home For Just Few Minutes a Day, Burn Off Calories and Enjoy a Firmer Stomach with a Fun, Easy-To-Use Tummy Trimmer Waist Twister Exercise boost your metabolism. Best moves for a slim waist. Twist your figure back in to shape This twister can be used to your legs, bellies and back