ling ▁champion . ▁Having ▁studied ▁training ▁theory ▁at ▁N ipp on ▁Sport ▁Science ▁University ▁following ▁his ▁ret irement , ▁he ▁was ▁keen ▁to ▁develop ▁his ▁own ▁training ▁methods ▁based ▁on ▁his ▁sum o ▁experience ▁and ▁studies ▁at ▁both ▁Bulgar ian ▁and ▁Japanese ▁univers ities . ▁ ▁Fight ing ▁style ▁ ▁K oto ō sh ū ▁was ▁a ▁tall ▁and ▁rather ▁light ▁r ik ishi ▁at ▁ 2 0 3   cm ▁( 6 ▁feet , ▁ 8   in ches ) ▁and ▁ 1 5 2   kg ▁( 3 3 4 ▁pounds ). ▁In ▁comparison , ▁former ▁y ok oz una ▁( grand ▁champion ) ▁A ke b ono , ▁at ▁the ▁same ▁height , ▁we ighed ▁ 2 3 5   kg ▁( 5 1 7 ▁pounds ) ▁at ▁his ▁peak . ▁ ▁Y ok oz una ▁As ash ō ry ū ▁had ▁about ▁the ▁same ▁weight , ▁but ▁is ▁only ▁ 1 8 4   cm ▁in ▁height . ▁K oto ō sh ū ▁primarily ▁re lied ▁on ▁so - called ▁' b elt - th rows ' ▁to ▁win ▁his ▁sum o ▁b outs . ▁He ▁typically ▁preferred ▁to ▁take ▁a ▁hid ari - y ots u ▁( left - hand ▁inside ▁g rip ) ▁on ▁his ▁oppon ent ' s ▁ma w ashi ▁( the ▁bel t ▁that ▁is ▁fixed ▁around ▁the ▁wrest ler ' s ▁wa ist ), ▁although ▁he ▁was ▁right - hand ed ▁and ▁his ▁overall ▁profile ▁showed ▁him ▁prefer ring ▁m igi - y