Contraception: it may seem like a pain but think yourself lucky - back in the olden days, baby-prevention techniques were far more terrifying.
Fat lot of good that's going to do to prevent potential sperm invasions. And what happens if it gets lost?
Then there's the good old weasel testicle garter, which is extremely useless and not to mention totally unsexy. Man deterrent? Yes. Sperm deterrent? Not so much.
These contraceptive methods, compiled for Engender Health's latest WTFP?! initiative, will no doubt freak you (and your vagina) out. But one thing's for sure - you'll never look disapprovingly at that box of Durex ever again.