DVD BUNKAI OYO KARATE DO SHOTOKAN, Vol.9 Shotokan Ryu Kase Ha, J.-P. LAVORATO, PAL, all region, English and French. After more than 50 years experience Sensei Lavorato, 9th Dan, student and assistant of Sensei Kase shows his personal view of Karate-Do. Vol.9: BUNKAI OYO (55 min.): In this video, sensei LAVORATO, Jean-Piere demonstrate and explain to you OYO-Bunkai of the katas HEIAN NIDAN and SOCHIN. "Oyo" means free. Free movements, free counter attacks and above all, a working hypothesis against several opponents.