For the modern long-term use of 3C products or because of the work of a long time bad posture, resulting in shoulder pain or pressure accumulation, resulting in circulation from the hand to the armpit obstruction. Use pure natural oils to soothe your hands, let the stiff neck muscles stiffen, increase the pressure of the hands through the massage of the peripheral nerves to promote blood circulation, can quickly release and delay the state of muscle fatigue.