Weird name for a sex position, right? Well, the story behind it is just as strange - involving the Church, the full moon (or was it campfires?), and some mixed messages. But what can unravelling the mysterious backstory of this most rudimentary of sex positions tell us about sex, shame and evangelizing around the world - even today?

We trace the unexpected backstories of everyday things – things that have traveled the world, by force, by chance, or by choice. How did this item or idea change as it moved through different cultures and eras on its way to you? And what surprising truths does its story reveal about our world today?