What is coin rubbing?
Olivia Shea
Updated on February 26, 2026
The practice of rubbing the edge of a coin across warm, oiled skin as part of Southeast Asian—Vietnamese—folk therapy—derived from the Chinese for treating migraines, fever, etc.; ‘coined’ skin has darkened, linear, erythematous microecchymoses which simulate lesions of child or domestic abuse.
What is Cambodian coining?
Kors kha-yal is a common practice that many Cambodians believe can “scrape bad wind” to the surface of the skin to restore the body to health. It involves rubbing the skin vigorously with a thin metal coin, producing angry red marks and purple bruises.
How do you do coin rubbing art?
To make a rubbing of a coin, have students place the coin under a piece of white paper. Thinner paper like computer paper works best. Take a sharpened Crayola® Colored Pencil and gently rub the colored tip over the coin until the coin design appears. Tip: Younger students may want to use the same color for each coin.
What is gua sha?
Gua sha is a traditional Chinese healing method in which a trained professional uses a smooth-edged tool to stroke your skin while they press on it. This motion raises small, red, rash-like dots that show under your skin called petechiae. People use gua sha to treat chronic pain all over their body.
How do you give a coin massage?
Coining is performed by taking a hard object with a smooth edge such as a coin and rubbing it along the skin in linear fashion until the a bruise is present. This can be painful as the bigger the bruise, the more effective this practice it thought to be.
How do you make leaf rubbing art?
Directions:
- Put a leaf upside down on the table.
- Place a piece of paper over the leaf.
- While holding the paper and leaf in place, use the side of a crayon to rub across the leaf.
- Make sure that you color over the entire leaf.
- A dark crayon will produce a clearer print of the leaf.
How do you coin rub?
Known in Khmer as កោស ខ្យល់ (koah kshal – scraping the wind), in Vietnamese as Coa Gio (catch the wind), in Chinese as Gua Sha (scraping away fever), and in Indonesian as Kerokan (scraping technique), coin rubbing is a healing technique practiced in most of southeast Asia as well as some prominent east Asian countries.
Do Cambodians believe in coin rubbing?
In Cambodia it is practiced by virtually everybody. The people I have talked to about the practice have never met another Cambodian who didn’t “believe” in coin rubbing. It is practiced both in families and professionally. Going down most roads in Phnom Penh you should eventually run into signs that advertise for 5000r massages.
What is coincoining and how does it work?
Coining is performed by taking a hard object with a smooth edge such as a coin and rubbing it along the skin in linear fashion until the a bruise is present.
What is Chinese coining?
It is a form of dermabrasion therapy still widely practiced in China and South East Asia. This ancient treatment method is employed to rid the body of “heatiness” or “negative energies”. Coining is associated with serious complications, and has been confused with child abuse by physicians unfamiliar to Asian cultures.