By scraping the surface of the skin to produce suggillation, it reduces pain and can detoxify the body at the same time. A simple and effective technique with immediate, direct and effective results. Terahertz Promote blood circulation and metabolism through resonance, adhere to use, resist fine lines and delay aging. This product is a practical aid for massage and spa treatments. The smooth edge does not scratch and damage the skin. The highest quality massage tools can provide practical and immediate pain relief. It is designed according to the standard of Chinese traditional massage therapy, and it has been carefully polished after years of practical experience. Not only is a tool to relieve pain, but also can nourish the skin and replenish moisture. Unique shape, in line with human mechanics, labor saving, easy to carry. Material: Terahertz Size: As the Pictures shown Color:Silver Package Included:1 * Scraper Board