The Twister disc from Zipro is a fitness device that strengthens the abdominal muscles. It features exercise bands with comfortable handles, allowing you to work out your arm muscles. A counter displays the training time, the number of repetitions, and the calories burned. The surface has small protrusions of different diameters and heights that massage the feet. Additionally, the receptors in the feet are stimulated by magnets. It strengthens the body while also providing relaxation.