【 METHOD】: Put the vertical rocker inside and the horizontal rocker outside, and then slowly tighten the and chest to maintain tight support.
【FUNCTION】: It can open the shoulders, correct the hunchback, correct the front of the neck, and correct the waist collapse. It is recommended to exercise for about 30 minutes a day.
【SPECIAL DESIGN】: The handle part is designed with rounded corners, which is comfortable to hold and has no sharp parts, which can effectively avoid harm to the body during use.
【SMOOTH The is finely polished, smooth and comfortable, without burrs, and will your hands.
