futou
幞头 幞頭 烏紗帽 四腳軟巾 平脚幞头 交脚幞頭 展翅襆頭 展角幞頭 사모 翼善冠
A Chinese black hat with two wing-like flaps; also called toujin, putou.
The Korean samo is similar in design - though a white version is worn during mourning. Also, men who'd never been married would wear the hat with two wings, and if they ever remarried, one of the wings were removed.
Examples
- Danbooru post #7620728: Wushomao Futou
- Danbooru post #6918552: Yishan Guan
- Danbooru post #7739079: Zhanjiao Futou