Most of us who fly know the basics of what not to take in your luggage, checked or carry-on. If not, every airline describes the dos and don’ts on their website in excruciating detail, so there’s no valid excuse not to comply. Sure, the 3-1-1 liquids policy mandated by the TSA back in 2006 is a little complicated for some people. We can even understand the confusion over taking hoverboards on planes – it was a hot new toy that many assumed they could bring on board, but it turns out they can be a tad explosive, which is generally frowned upon up in the sky. The following items found by airport security or somehow smuggled onto planes take things to a whole other level of crazy. Watch along and scratch your head about the mind-boggling stupidity of some people who are devoid common sense – or humanity!