New, unopened. Selling to organize my DVD collection. "Saikyo! Dirty Boxing" Arnold Narso / Ryosuke Oshima Price: ¥5000 #ArnoldNarso #RyosukeOshima #CD・DVD Product Description With a little ingenuity, boxing for sports can instantly become practical self-defense techniques! Ryosuke Oshima clearly explains the techniques of Arnold Narso, who teaches street boxing around the world. (From the "Kinema Junpo" database) Ryosuke Oshima explains the techniques of Arnold Narso, who teaches street boxing around the world. Sports boxing techniques transform into practical self-defense skills. Reveals everything about street boxing that Japanese people don't know. (From the "Oricon" database) With a little ingenuity, boxing for sports can instantly become practical self-defense techniques! Ryosuke Oshima clearly explains the techniques of Arnold Narso, who teaches street boxing around the world.