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'...

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.