GUASHA WOOD STICKINSTRUCTIONS 1) For the back: First, use the concave surface from top to bottom in the same direction each time. Then use the convex surface to scrape the spine. 2) For the abdomen: Take the navel as the center, and massage from top to bottom; the intensity is even, and you do not have to use too much force; ruddy is very good. Generally, adhere to three days a week; constipation can be improved. 3) For the legs: Starting from the knee, down, only in