How to use? It can be used with body emulsion or massage oil on the smooth skin surface, then press hard down, and then move down muscles - so-called friction - gentle massage - or along the path of acupuncture meridians, along the skin. On the surface, gently massage about 4-6 inches at a time and repeating the action until the skin turns red. The most effective deep body massage: Using an IASTM stainless steel gua sha to scrape the skin repeatedly will accelerate blood circulation and metabolism, enhance immune function, make skin tissue elastic, relieve muscle tension, eliminate lactic acid in muscles, and make you recover from fatigue. Easy to keep and carry: This medical grade stainless steel scraping massage tool is sturdy, static-free, and easiest to clean, using only a cloth. When held and used, you will feel comfortable and smooth without harming your skin. A great Gift Idea: Beautiful appearance, for those who love sports and fitness, this is the best gift for them. Massage with our stainless steel gua sha will make the skin look better and smoother. Be Careful ◎In the scraped area, if the skin has ulceration, damage, inflammation, it is not appropriate to scrape. ◎Do not wash cold water within half an hour after guasha scraping. ◎The waist, abdomen and ankle of pregnant woman are not allowed to scrape.