In 1984, NHK broadcasted a TV drama "Miyamoto Musashi," and commemorating that, Kumamoto Prefecture sold replicas of that wooden sword Musashi had made for Yoriyuki.
ちなみに熊本県は『宮本武蔵』（1984年NHK新大型時代劇）の放送を記念し、前記の木刀の複製を販売した。