Revolutionary way to work your lower abs, upper abs and obliqueDoes look somewhat like a new age chair, but with massage rollers across the head and back rather than a traditional backrestDesigned to pivot with your body as you move forward and backward in a crunching motion, or twist and turn with your body as you move the padded swivel seatMere five minutes per day of traditional crunches, reverse crunches and oblique exercises can turn your abs from flab to fab