Education often seeps far beyond the perameters we 'assume' in any subject.

Today, we discuss a little history.
Most of us know the history of the USA, or the history of the Leather movement, or the history of our family.
Have you ever considered the history of sex?
This is a condom. Probably the oldest one in existance.
Never thought of Neaderthals making sheaths hu.
But somehow, even way back then, mankind (or it's off shoots) knew that there was a connection between what got shot out of a dick and ended up in a cunt (and vice versa!).
Birth control? Disease issue? Some guy who hated blood but didn't want to wait 5 days a month?
There is no written explanation for it, so we might never know.