The twisting motion effectively burns calories and combines the benefits of aerobic exercise with the benefits of reflexology. this portable rotating exercise disk combines reflexology to massage the feet, improve circulation, and alleviate aches and pains-all while you twist your way to a trimmer midsection. the 3 big magnet points with various size massage balls on each foot can make the blood vessel of thinner outspread, urge the deleterious material of blood outside quickly, and then make your blood circulate fluently. the dancing styles matching music will relax you more during exercise.