This elastic sit up pull rope workouts your arms tummy shoulders legs and butt. It is not only a way to lose your fat by exercising with our tummy trimmer but also a way to shape your body. Lightweight and easy to carry on the body simple exercises can be carried out at any time. This portable elastic sit-ups and drawstring abdomen machine can effectively exercise your body and help you develop a perfect body. Way to Use :Sitting up with legs straight lean body backwards until completely laying back with head on floor. Return to sitting position. Start out slowly and work up to the re-petitions you feel comfortable with. Sitting erect with legs straight feet in pedals. Raise handle to tummy height using arms only repeat this action for 15-20 time as one set. 5 sets every time and it can strengthen your arm muscle.