"My rival is a billionaire Republican who joined four white-only, male-only clubs, and invested in South Africa before apartheid ended," he told the congregation.

It's the male-only club that few want to join.

Ms. Jacobs said "it has historically been a male-only club," but added that "I have not in the Democratic Party seen women turned away.

She then wrote a private letter to Johnson saying that hosting the Masters Tournament at a male-only club constituted sexism.

The Fly Club is a male-only final club at Harvard University, founded in 1836.

The issue of male-only clubs does, however, sometimes arouse controversy.

As an undergraduate at Harvard University, she organized protests against the school's male-only clubs.

I always associated that kind of thing with the male-only clubs where they wear funny hats and play games in the woods.

They said they were particularly upset about the male-only social clubs, which are supported by one in five of their law firms.

The Metropolitan Club is no longer a male-only club.