Kymaro Rhythm Rocker Tighten and tone abs and obliques, your shoulders, arms and strengthen your lower back Exclusive Stabilizing InterAxial Technology tilts in a full 360 degrees, delivering dual-direction resistance allowing you to advance seamlessly from one core-toning move to the next EZ-grip handles allow you to create your own level of resistance by leveraging your body weight against the tilting action of the seat Lightweight and easy to assemble