T. Shimabuku features the founder of Isshin Ryu Karate – Tatso Shimabuku. He is seen demonstrating katas and weapons associated with his style. He performs one particular weapons kata which has three sais. This is in itself, a rarity. Shimabuku can also be seen performing empty hand self defense techniques and several weapons self defense techniques against an opponent. This film is of excellent quality and was filmed in the 1960’s.