Behold an epic 1965 anti-pornography short film:
http://www.youtube.com/watch?v=NidUG88wY4o
(you need to have a youtube account because it has been flagged… losers)
Some fantastic lines, very useful for sampling:
“Positions indicative of intercourse”
“Very few blind people join nudist colonies”
The film has a typical middle America homophobic bias but seriously the guys who made it know an awful lot about porn in the 1960s. You can imagine these prudes “indulging” behind closed doors.