"The Cotton Ceiling" has come up in court today. Many people will not have heard of it before, but there have been some threads on this board full of relevant info. Some are now closed but are worth a look. The phrase is a metaphore for the barriers that trans women encounter when trying to have sexual relationships with lesbians. The metaphorical Cotton is the knickers of lesbian women.
www.mumsnet.com/talk/womens_rights/3294339-cotton-ceiling-evidence-thread
www.mumsnet.com/talk/womens_rights/4386058-BBC-cotton-ceiling-thread-number-2
www.mumsnet.com/talk/womens_rights/3578225-Transactivists-tweeting-violent-threats-to-Sharron-Davies-for-opposing-the-cotton-ceiling
www.mumsnet.com/talk/womens_rights/4385007-BBC-article-about-cotton-ceiling
The court case is Allison Bailey's employment tribunal. One of her tweets which was the subject of a complaint was about a workshop on overcoming the Cotton Ceiling. It is discussed at the end if thread 6, and the beginning of thread 7.
www.mumsnet.com/talk/womens_rights/4550451-allison-bailey-v-stonewall-employment-tribunal-hearing-thread-6
www.mumsnet.com/talk/womens_rights/4551757-allison-bailey-v-stonewall-employment-tribunal-hearing-thread-7