soozier ab twister board w screen ab waist sculptor workout equipmentWhen you're twisting on an ab trainer, it's easier to lose balance than you'd think. That's why you get a handle equipped platform to keep you stable so that you can focus on the muscle. It includes a screen that tracks your progress which you may be familiar with from other machines, such as treadmills. It keeps you motivated and shows you exactly what your progress is. For those interested in weight loss, the tracking centric design from soozier