During the Nanboku-chō period, many lower-class foot soldiers called began to participate in battles, and the popularity of increased. During the Nanboku-chō and Muromachi periods, and became the norm, and senior samurai also began to wear by adding (helmet), (face armor), and gauntlet.甲冑の歴史（南北朝時代～室町時代） Nagoya Japanese Sword Museum Nagoya Touken World.
During the Nanboku-chō period many lower-class foot soldiers called began to participate in battles and the popularity of increased During the Nanboku-chō and Muromachi periods and became the norm and senior samurai also began to wear by adding (helmet) (face armor) and gauntlet甲冑の歴史（南北朝時代～室町時代） Nagoya Japanese Sword Museum Nagoya Touken World