Japan 2022-04-06 [Kenka yotsu]Toshihiko Koga teaches Ippon-seoi-nage [English subtitles] 古賀稔彦が教える一本背負投 ケンカ四つ【#15】JUDO
Japan 2022-03-19 Toshihiko Koga teaches Ippon-seoi-nage method [English subtitles] 古賀稔彦が教える一本背負投【#04】JUDO