There was the story of the musician who had trouble finding a bass player who could read music to play in his band. He took to riding the subway with a t-shirt that simply said All Cows Eat Grass. Whenever someone smirked or otherwise responded to the shirt, he struck up a conversation and eventually found his bass player.

Might be urban myth, I don't know, but I'd like a t-shirt like that.

Peace, Mooh.