If you google for “hammer principle” you get two things: The site mike and I created, and a bunch of stuff about martial arts.

Well I’ve been thinking about learning a martial art, so they were on my mind, and it occurred to me that martial arts were pretty ideal for the sort of thing that hammer principle does.
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So we created a Martial Arts Hammer Principle. It’s pretty incomplete so far – only 14 responses – but already it’s starting to take shape as some quite interesting results.

So if you know any martial arts, or are interested in learning one, I encourage you to head over and check it out! And if you can fill out some of the statements and help us build a picture of different martial arts, that would be even better.