ry ū , ▁etc .). ▁These ▁schools ▁also ▁teach ▁the ▁use ▁of ▁other ▁weapons ▁such ▁as ▁the ▁sword , ▁the ▁nag in ata , ▁the ▁short ▁staff ▁( tan j ō ), ▁the ▁ch ained ▁sick le ▁( k us ar ig ama ), ▁the ▁tr un che on ▁( j ut te ), ▁and ▁ ▁( j ū j ut su )- close ▁combat ▁for ▁defe ating ▁an ▁oppon ent ▁in ▁which ▁one ▁uses ▁either ▁a ▁short ▁weapon ▁or ▁none . ▁Most ▁pract ition ers ▁special ise ▁in ▁only ▁one ▁school . ▁ ▁The ▁other ▁branch ▁is ▁called ▁Seite i ▁J ō d ō ▁and ▁is ▁pract iced ▁by ▁the ▁All ▁Japan ▁K endo ▁Federation ▁( 全 日 本 <0xE5> <0x89> <0xA3> 道 連 <0xE7> <0x9B> <0x9F> ▁Z en ▁N ipp on ▁K end ō ▁Ren me i ). ▁Seite i ▁J ō d ō ▁starts ▁with ▁ 1 2 ▁pre - arr anged ▁forms ▁( k ata ), ▁which ▁are ▁drawn ▁from ▁Sh int ō ▁Mus ō - ry ū . ▁In ▁addition ▁to ▁these ▁ 1 2 ▁k ata ▁the ▁student ▁will ▁also ▁study ▁their ▁k ory ū . ▁ ▁J ō j ut su ▁has ▁also ▁been ▁adapted ▁for ▁use ▁in ▁the ▁Japanese ▁police ▁force , ▁who ▁refer ▁to ▁the ▁art ▁as ▁ke ij ō - j ut su ▁( <0xE8> <0xAD> <0xA6> <0xE6> <0x9D> <0x96> 術 ), ▁or ▁police ▁stick ▁art . ▁ ▁A iki - j ō ▁is ▁the ▁name ▁given ▁to ▁the ▁set ▁of ▁mart ial