Old footage of Sensei Arie van den Akker from the Netherlands practising Kurokumo Shinobi Goshido in his younger days in Munich with us at the Dojo of Shidoshi Andreas Leffler 5th dan in Kuroi ryu Ninjitsu. The Technique practised is called Oe Li Tsai and it is more of a Ninja Drill from the old Kuroi ryu Ninjitsu system of Japan. 黒竜忍術 , Kuroi Ryu Ninjitsu or Koga Ryu Ninjitsu are connected arts. Sensei Arie van den Akker in his younger days as a white belt student of the Kuroi ryu Ninjitsu school. Kurokumo Bushido
