Now if I were to say no to this question, that would make me a know-it-all. Since I'm not a know-it-all but merely a know-a-lot, my answer is yes. It's just that I can't think of anything at this moment.
Never seen that but stuff like passing a rope through a human body and a guy balancing himself on a chair on two legs on a broomstick handle laid across two supports high above the ground...