The practice of Ryukyu islands farming/fishing weapons (Kobudo), etc. complements the empty hand (kara-te) practice of aboriginal civil fighting arts. In the 2nd volume, three (metal) weapons of Sai, Kama, Tinbe and rochin are introduced. Historical importance of these weapons, materials, design and manufacture, their application and methods of practice, along with 'Katas', famous practitioners and styles are presented as A reference book, for both practitioners and the general public