I heard the following story from someone I believe.
My source went to Great Britain for her semester abroad. One of her classmates had a prosthetic leg. This person was a bit of a jerk. Young. Immature. When it came time to go through the metal detector at the airport, he never said a word.
Of course he set off the detector.
HIs fellow classmates told him afterward, “Hey, stop being a jerk.”
The process repeated at every airport. Coming and going. I’m surprised the individual wasn’t put on some kind airline list.
The kicker, though, was what he confessed when they eventually landed back in the USA at their “home” airport: he’d used his prosthetic leg for smuggling Cuban cigars into the country.