Sit in front of computer for a long time, you can cause neck and shoulder problems frequently. Contemporary and those who are of poor posture such as hunched forward from juniors to view more hairs. shoulders to represent your body even in heavy duty in the body. With this DVD can be worn with a suitable place to an induction and the skeletal alignment layout/positioning, muscle tension, to improve the range of motion. Learn how the care instructions of your shoulder posture, preferably 五十肩 and more all the safeguards to prevent the problem of the shoulder joint. Set Includes: 1. Save your shoulders DVD 2 * English version only. Black 3 ball. 4 Gold Balls. Use only with the air in