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not me, but when he was 16 my brother ordered a pull up bar that goes on a door frame online. he decided, after using it as intended for a while, that he wanted to try and do a running jump at it and use it to launch himself like a gymnast or something. the bar only attached to one side of the door frame, he came at it from the other one and knocked it off, very unluckily landing on his ass instead of his head