The Folsom Street Fair fills the nooks and crannies of SoMa this Sunday. It's the other time of year, next to Up Your Alley, when gays and straights (but mostly LGBT ilk) come together, so to speak, to publicly showoff their love of leather, body stank, and other hardcore sexual fetishes. Oh, and casual drug use too. Anyway, we'd love to tell you what's going on, but, after poring over the Folsom Street Fair's Leather Week events calendar, we'll let the hanky panky speak for itself. Cover your eyes:

Leather Buddies
September 22, 2010 at 08:00 PM
Blow Buddies, 933 Harrison

Dress code for Leather Buddies includes of a wide variety of fetish gear -- no street clothes though. You can wear leather, rubber/neoprene, full sports gear, full construction gear, skinhead kit or just about any kind of uniform. You can go naked except for your boots. If you're doing rubber or leather, make it more than a cock ring or boots -- vest, pants, chaps and the like. Absolutely no dress shoes or sneakers unless they're part of your full sports gear or full dress uniform. Absolutely NO cologne or fragrances of any kind will be permitted

What about Tom Ford's Tuscan Leather? Fittingly, it has notes of both leather and cocaine. Speaking of pleasures:

How to Eat a Peach: Pleasuring Her
September 23, 2010 from 08:00 PM to 10:00 PM
SF Citadel, 1277 Mission (at 9th Street)