Coining

What is coining?

Coining or coin rubbing is a technique used in traditional Chinese medicine, and is also known as gua sha (scraping sha-bruises or pressure stroking). It is called cao gio (scraping for wind) in Vietnam. in After applying oil to the skin, the body is stroked in a linear pattern, using a hard instrument with a smooth edge. Although a coin is often used, a porcelain spoon, jade or buffalo horn can give the same result.

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Source: dermnetnz.org