Jan-Erik Lehn Sonkal Naeryo Taerigi 1984This clip show the late Master Jan-Erik Lehn performing a downward knife hand strike.Performed during a demo under the national championship (NM) in Norway, 1984.{youtube}yd8WDdfp3Ks{/youtube} You Might Also Like Taekwon-do ITF Reverse Turning Kick by Master V. Alexandris November 25, 2009 Side piercing kick – Yop Cha Jirugi with Jan-Erik Lehn November 25, 2009 Videoklipp fra NM 2011 i 3D November 22, 2011