The massive fetish event is back for another gargantuan gropetastic affair, which are hugely popular with show-offs, goths, industrial punks, burlesque beauties and circus freaks alike. Their annual winter ball is always titillating fun with a house, techno and breaks soundtrack, as well as sleazy rock 'n' roll and neo swing throughout five rooms. Other entertainment includes aerial performances, cabaret, erotic installations, pole dancing, body art and, of course, their infamous couples' playrooms. DJs and performers include Natsumi Scarlet (Amsterdam), Lucky Franco, A'Harei, Janette Slack, Caroline Banx, David TG, Jimmy Mofo, The Secretary, Hitman Hearn and Paul Lacing Lilith. Dress in your latex, fantasy, drag, burlesque, steam punk, uniform…finest and prepare to explore. DC: No street clothes. For full details, see website.