Meet the Body Rhythm Dragonfly: an ab trainer that can give you a total body workout. It has standing, sitting, and kneeling modes. You can use it to train abs, hamstrings, triceps, biceps, and quads. The Dragonfly Ab Trainer has 4 resistance levels and max weight capacity of 242lbs.
Dragonfly has a steel construction with sweat-resistant cushion. It weighs only 15lbs, so you can move it around easily.