The sit up is still considered the most effective way to trim your waistline and get into shape. We know that sit up equipment in gyms can take up too much space and also be too heavy on your pocket. But with this abdominal stretcher you get a light weight, portable gizmo that helps you do perfect sit ups on your own. Take the ab stretcher with you wherever you go. Hitting your target waistline has gotten so easy, you will no longer have an excuse for not shaping up.