In April, a naturist group in Pittsburgh hosted an event called "Balls Out Bowling." It turns out, naked bowling is not exclusive to western Pennsylvania.

The American Association for Nude Recreation, and other regional organizations, host 5Ks, bowling, and other events year-round. This week on Something Offbeat, the president of the AANR, Mitch London, explains how he got into nudism, walks us through the history of the practice, and divulges the most dangerous thing he's done sans clothes.