Longtime leather community member Race Bannon shows off his flagging skills during the annual Leatherwalk charity event. The 21st annual walk, held Sunday, September 16, kicked off Leather Week in San Francisco, as hundreds of thousands of fetish fans prepare to descend on the city for the 29th annual Folsom Street Fair, which takes place Sunday, September 23 along several blocks of Folsom Street in the city's South of Market district.