[ApicalDendrite]

A friend discovered that he had a pocketknife with him just before he was about to go through security. So he went out to the airport smoker's area, dug a little hole in the ground, and buried the pocketknife. When he returned from his trip he went back and dug it up.

[tomatotomato37]

I had a family member who tried to do a similar thing with a potted plant in the airport lobby, but it was still gone as security apparently runs metal detectors over common hiding places every so often as part of a bomb sweep.

[Liquix]

Smart, but also a good way to end up in a questioning room for 4 hours...

[jaywalk]

I did something very similar on my way into jury duty one time, because I was parked far enough away that I didn't want to make that round trip.