What was the name of the hat worn by ancient scholars?

1. The hats worn by ancient scholars included small crown, virtuous crown and cool crown.

2, small crown: also known as the bun crown, this is a small crown tied on the top of the head, the small crown is mostly made of leather, shaped like a hand, tied on the bun, with a pin through its bun, with a _ tied around the neck.

3. Jinxian Crown: Also known as Confucian Crown, worn by North Korean civil servants.

Guan Liang: Guan Liang is mainly worn by North Korean civil servants.