In the comments for http://paleohacks.com/questions/82462/does-anyone-else-sneak-a-look-at-other-peoples-shopping someone suggested a secret handshake or a badge or button that would let other people know you were paleo. I thought it was a great idea, so I made one. What do you think? What could be improved about my first draft?
Check it out:
This low-res rasterization is released under the CC BY-SA Creative Commons license; for further info see http://creativecommons.org/licenses/.
UPDATE: I'm going for very simple, recognizable icons, but I like many of the suggestions people have put into the answers. Here's my iconified arrowhead:
And here's my recomposite hunter-gatherer, with a bit more shape up top.