Yoko height increasing Sole works on Principle of Reflexology. It works on by stimulating gland and in turn stimulating body to release hormones responsible for gain in Height. Yoko Height increasing sole stimulates pituitary glands by from acu-pressure and magnetic effect. It also balances Metabolisms and increases blood circulation Reduce Tireness. It improves Immune System and gives relief in muscle and joint pains. When Yoko Height increasing sole put in shoes and yoga and healthy diet is maintained its effect increases many folds. Initially there may be mild pain or irritations but slowly one get used to. Also time to use should be increased gradually.