1880-1910. An official hat, called gat, and hat case. Joseon Dynasty ancient Korea The horsehair crown and the brim, made of bamboo strands are joined then lacquered. The height of the crown and the diameter of the brim have changed with time, and the gat’s size became smaller after the decree of 1895 prohibiting hair topknots. This hat was also made after the 1895 decree.