It is called 'Geumgwan' signifying a coronet coated with gold, and called 'Geumgwan Jobok' together with Jobok. It is comprised of Yang (양梁) which covers the crown of the head, Mokjam(목잠木簪) which is an ornamental hairpiece, and Young(영纓) which is a strap. The gold line, a vertical decoration attached to the center of the black coronet, is different depending on rank, and 1st rank has 5 lines, 2nd rank has 4 lines, 3rd rank has 3 lines, 4th~6th ranks have 2 lines, and 7th rank and below have 1 line. This coronet is a 5-line coronet, produced in modern day.