Frog Type Massager Manual Balance Four Ball Massager Waist Massage Ball Description: 1. Material: PS 2. Size: 10.5x10x9.5 cm 3. Weight: 55g 4. Advantages: massage effect is stronger than manual massage, saving effort; 5. Perform a back massage according to your situation. How to use: From top to bottom, massage the head, neck, back, waist or abdomen, hind limbs, then massage the left side of the body first, and then the right side; 6. Head: from the forehead to the back of the head, there is no need to apply a scraping lubricant, massage each part about 30 times, 7. Neck: from top to bottom; 8. Back: massage from top to bottom; 9. Chest: massage the midline of the abdomen from top to bottom. The sides of the chest are bounded by the frontal midline of the body, and they are swept from the inside to the outside along the ribs to avoid the nipples. 10. Abdomen: massage the abdomen from top to bottom; 11. Upper limbs: massage from top to bottom; 12. Lower limbs: massage from bottom to top (ie massage the heart); 13. Sole: massage from heel to foot.