Complex sentence: They are made following the model of a Bokuto made by Musashi sensei himself, today in possession of the Usa Shrine in Oita, where the Gosho Ha Hyoho Niten Ichi Ryu members annually perform "embu" (demonstration) at the first day of the year.
Split into simpler sentences: They are made following the model of a Bokuto made by Musashi. Today in possession of the Usa Shrine in Oita, where the Gosho Ha Hyoho Niten Ichi Ryu members annually perform "embu" (demonstration) at the first day of the year.