sentences:  The event was moved to its current location on Folsom Street at Dore Street in 1987.Among the original rationales for this fair was to illustrate, in the face of redevelopment pressures, that the South of Market neighborhood was already home to a leather subculture and that this community was still active and organized in spite of the AIDS pandemic.Now run by the same non-profit organization that produces the much larger Folsom Street Fair, the world's largest BDSM fetish and leather event, Up Your Alley Fair draws ten thousand fetish enthusiasts and onlookers and serves as a "warm-up" event for the organizers but also as a less tourist-focused event for locals.