Many senior karateka, particularly those who are noticing the effects of age, express the desire to explore its "softer" side. Karate is, after all, both "go" (hard) and "ju" (soft). In this video, Dan Djurdjevic uses his 35 year background in both karate and the 3 "internal" arts of China to explore the "softer" side to karate, ie. efficiency, economy and utilisation of the opponent's force.