Also known as: 벙거지, 전립, 병립, 戰笠, 兵笠
Also known as jeonrip or byeongrip, it's a historical military headwear worn in the Joseon Dynasty.
It is made from fur or felt. Worn by local magistrates, lower-ranking military officers, and servants of noblemen. The decorations upon it depend on the rank of the wearer.