Made from traditional Chinese Bian Stone, designed to help restore and sculpt muscles, rejuvenate circulation, boost immunity, reduce swelling, and enhance skin appearance. With the ability to hold with finger nails. This is the tool for lymphatic drainage in the body. The DIAMANDIA Body Gua Sha will help flush unwanted fluids and toxins that live beneath the skin's surface. By enhancing circulation, it will assist in improving the appearance of dimpled skin and help create those long, lean, beautiful lines in the muscle. Follow the instructions below to perform a quick lymphatic drainage massage. HOW TO USE Lather skin with lotion or body oil before use. Apply more if needed while using the Gua Sha.