This is the official Saturday Night Dance Party of Folsom Street Fair so you know there is going to be LOTS of sex going on at this thing. THE HOSTS SAY: "For the 2017 edition of MAGNITUDE, we have moved the event to the venue you’ve all been waiting for! This year, the party will take place in The Armory, an already legendary party space. This is going to be bigger and better than ever with 3,000 of the hottest leathermen from around the globe."