This is a simple-shaped gua sha tool. I bought it as a souvenir in Southeast Asia. I'm selling it because I don't use it. It is said that stimulating the skin by scraping it can promote blood circulation and relaxation. The material is probably a buffalo horn, but I'm not sure. The front is smooth, but the back has lines, making it easy to hold. Size: 11cm x 3.7cm Weight: Approximately 20g