Design principle: special hollow arc cover design, ergonomic design, with the hand action repeated tapping the back of the sealed cup and air to form the vibration of the drum pressure effect, and the formation of deep muscle vibration, to achieve blood meridian, vibration sputum effect;
Material：Food grade liquid active silicone material, high elasticity, long with no deformation, uniform force, feel comfortable;
Use of the crowd: baby, stroke hemiplegia, sputum cough, muscle pain patients etc;
Uses: Tendons and collaterals，live blood, Vibration from the lungs Spittoon;
Note:First use recommendations are used under the guidance of a doctor.