Sensei Arie van den Akker founder of combat sequence and modern ninjutsu is practising Kuroi ryu ninjutsu in his younger days when he was a white belt student of ninjitsu.This exercise contains a jump, a turn and a stance very similar to wushu practise and kungfu exercises. Watch en learn! Koga Wada Ha Ryu Ninpo 甲賀流忍術
