1DOUBLE BEVEL EDGE: You will immediately feel comfortable holding and using the guasha massage tool. The double beveled edges give you the ideal surface to release muscle soreness. 2FINGER RING DESIGN: Exquisite and compact, it can be easily put on your finger to help you accurately massage acupoints and reduce muscle tension. 3SKIN CARE: Using this facial gua sha massage with your face oil, which helps the oil absorb deeper into the skin while also increasing blood flow and promoting collagen production. 4GENTLE: Excellent and smoothly texture, delicate and non cracking, designed with the human face and curves, which is gentle on skin and more comfortable to use. 5EXCELLENT JADESTONE: Gua sha massage board is made by excellent green aventurine stone, which is beneficial minerals to skin beauty and body health.