[Sister Havana]

There was actually an article in Jane Magazine which touched on this a few years ago. (one of the writers worked at a porn magazine, as a chatter on a porn website, and as an errand girl on a porn film for a day and wrote about the experiences.) The writer mentioned that one of the stars had to do two enemas in preparation for an anal scene. (which didn't end up getting shot that day) EWWW.