By no means is it the first, but I felt I had to report this T-shirt found over at RAG co-op in Hayes Valley:
It’s made by a local company called Love Project. Despite the hippie-ish name, they make mostly SF-related things.
If you liked this Muni diary, you might like:
Written by jeff
Like Sex, Love, Lust … Muni? Click 
Ride Muni like a boss. Our Fast Pass Clipper card holders and Muni Diaries T-shirts are all on sale 
