Having a super-flexible body comes with endless benefits. For starters, you can leave everyone in awe during yoga or pilates without breaking a sweat. But being able to wrap your feet behind your neck is also a handy trick in more, shall we say, X-rated realms. Flexibility opens up a whole wide world of sexual experimentation that less limber people can only dream of, or try at the risk of pulling various muscles. Here, nine positions to add to your roster when you're insanely flexible. As long as your body can actually handle them, because a sex-induced sprain isn't fun no matter how great of a story it makes.