Mother Jones has a short piece online, "Here's Why Libertarians Are Mostly Men," that's worth a read. It does seem odd that most libertarians are men.
I purchased a couple of shirts from 6 Dollar T-Shirts. One says "Somewhat Functional Introvert," and the other one is below except I got it in heather grey.
If I want to go all the way, I could also get a certificate of achievement.
If you're an owner of a business, you would think you wouldn't want to spout divisive and dumb political claptrap on Facebook. I'm taking my union-supporting and liberal-leaning money elsewhere.