Waist Trimmer Disc can make you slim and keep you in good figure! The Waist Trimmer Disc can provide comfortable magnetic massage for your feet. It is portable and useful. The Waist Trimmer Disc is very easy to use, you just need to stand on it and twist. Combines the principles of reflexology, exercise and magnetic therapy to produce an overall effective exercise system This exercise system has a low impact on joints, making it ideal for all ages High level waist twisting device.