"The room [on the truck] is designed with cleanliness in mind," creator and artist Spy Emerson told CBS. "I've created a very minimalist room. Everything is wiped down and cleared before and after every person. It's probably cleaner than the BART or any public toilet you've used."
"This is a game for adults who want to play with sex," Mr. Emerson said. "You have to be nice, and cool. No drunks, but everyone is welcome to join us. There will be a party going on all the time."