Ab Rocket Abdominal Trainer - Work your lower, upper and middle abs, and even your side oblique muscles in just minutes a day. It features Cylinder Launch Technology that provides assisted lift for less strain on your back and neck, along with a Rolling Cushion Technology that gives you a gentle massage while you do your crunches. Whether you want to tone and strengthen your abdominals or trim your waistline, the Ab Rocket's three levels of resistance are up to the task. Folds away for easy storage.