Her Fantasy Party is a members-only play party that runs every other Sunday night at Twist on Bay Street in San Francisco. It is a joint venture rather than a company on its own: in its own words, "a new event by Twist and Bronze Party" — the club and the city's long-running screened party brand, together.

The reason it exists is a door policy. Bronze Party admits couples and single women only and sends single men here instead; Her Fantasy Party is the one night in the pair that takes couples, adventurous women and, as it puts it, high-character men. The premise is in the name — the party is built around the woman's fantasy, with the room arranged so that couples have a secure play area of their own, everyone shares an extended play area, and a private area sits behind the couples space.

The programme is themed and fortnightly rather than a standing weekly night: cosplay, schoolgirl, hotwives, Halloween, spicy ladies and a pair of holiday parties, each with its own artwork and its own ticket. Doors are 10 PM to 3 AM.

Dress is specified and taken seriously: ladies in daringly sexy "less is more" attire, men in gentlemanly clothes — slacks, designer jeans, dress shirts or masculine clubwear. The organisers ask anyone offended by nudity, or inclined to use drugs or drink to excess, not to come. Membership is applied for on the brand's own site; browse our San Francisco guide for the city's venues and other party brands.