The nameplate rack at the Mugenjuku aikido dojo in Kyoto, Japan. Instructors are on the right side and black-belts on the left. Names are listed from right to left starting with a plaque that reads "Aikido Mugenjuku", then "Daihyo" ("delegation", meaning the dojo's representatives), "shihan" ("master"), "shidoin" ("instructors"), "shidohojoin" ("assistant instructors"). The left side shows "4th-dans", "2nd-dans" and "1st-dans."