... and micro-molecule penetration therapy.4. 6 types for using: cervical vertebra type, lumbar type, shoulder type, joint type, ... stagnation of blood stasis completely.This type can relieve cervical vertebra disease rapidly, improve the blood-supply function of ... . More details refer to the Instruction Manual.Apply position: cervical vertebra, wrist, ankle joint, etc.PositionsGMP Working Shop(Factory ...