GUASHA-OEILT-01 Origin: South Africa Grade: A Dimensions: 80mm X 50mm Weight: Approximately 35g Origin: South Africa Grade: A = good Heart-shaped Gua Sha in tiger's eye from South Africa, 80mm Patterns and colors may vary from one stone to another Gua Sha stones are used as massage stones primarily for the face. In Chinese, Gua Sha means "scrape" (gua) the "fever" – or the "illness" – (sha). The treatment involves gently stimulating points along the meridians to optimize blood and energy circulation through a skin rubbing technique using a flat stone. Gua Sha has been practiced in traditional Chinese medicine for thousands of years.