There is a truth in the world of hand-to-hand combat that too many martial artists aren't aware of or refuse to believe. Every time you discover a sure technique, one that makes all your training partners groan and writhe in agony, there exists out there in the mean streets a host of people who won't feel it. People like these: Attackers with large muscle bulk or large fat bulk Attackers intoxicated on alcohol Attackers under the influence of...