Cheopji is a Korean hair accessory decorating the chignon

Chignon

A chignon is a temporary swelling left on an infant's head after a ventouse suction cap has been used to deliver him or her. It is not a sign of serious injury and may take as little as two hours or as long as two weeks to disappear....

 of ladies when they wear a ceremonial dress. It is usually made of silver, and a frog-shape is its common form. The use of cheopji began after Baljaegaeheok(hangul: 발제개혁; hanja: 髮制改革; a reformation that prohibited Gache

Gache

Gache is a big wig worn by Korean women. Women of high social backgrounds and gisaeng wore wigs . Like their western contemporaries Koreans considered bigger and heavier wigs to be more aesthetic...

 hair style, then promoted Chignon

Chignon

A chignon is a temporary swelling left on an infant's head after a ventouse suction cap has been used to deliver him or her. It is not a sign of serious injury and may take as little as two hours or as long as two weeks to disappear....

 hair style) proclaimed by Yeongjo of Joseon

Yeongjo of Joseon

Yeongjo was the twenty-first king of the Korean Joseon Dynasty. He was the second son of Sukjong by Lady Suk-bin of the Choi clan , succeeded his older brother Gyeongjong.-Reign:...

. It was used routinely at court, but ordinary people were to use this only when they wear a ceremonial dress.