The first sex club of this type exclusively for African American gay men was Black Jack, started in 1986 by Alan Bell. In addition to sexual orientation, these smaller groups often stratify on specific criteria, e.g., men with beards or those who are interested in BDSM and kink. There is usually a small door fee and most are invitation-only. These organizations focus on private parties in homes or rented facilities and make use of the Internet to build their membership. There is also a very large and growing group of private sex clubs that, to avoid legal problems, do not operate in a specified location. Sexual intercourse is generally prohibited in such clubs. ( June 2013) ( Learn how and when to remove this template message)Ī similar type of club is a masturbation club in which members, either single-gender or mixed, masturbate together in public or private rooms. You may improve this article, discuss the issue on the talk page, or create a new article, as appropriate. The examples and perspective in this article deal primarily with the United States and do not represent a worldwide view of the subject.