1.Alternative steel:the hanged weight is made of hard steel,at the easy-reaching height and easy to adjust

2.Frame embellishing:unique two-double baking varnishing makes the machine noble as a car,at the same time,embellishing can prevent the machine from scrapping and paint-falling

3.Cushion:make the user in a comfortble protector,prevent user from hurting and also support the user

 4.Introduction card:sit down on the nature, straight your back, hold the handle,pulling backward forcefully to the maximum extent, then come back slowly to the original place,and repeat the action.