There just isn't enough space on airplanes for any one, even those on the shorter end of the spectrum. Top flight nightmares are usually being seated next to a screaming child, a person of large girth, or behind that jerk who reclines their seat for the entire flight. Most people aren't going to respond well to even polite request for courtesy, so that's when a little chair subterfuge comes in handy. Come prepared with a plastic zip tie and this simple trick. Watch this pranking tutorial and learn how to keep someone from putting their airplane seatback and robbing you of that precious little leg room. Use this as inspiration for one of your April Fools Day pranks!