Matt Mullenweg posted that he discovered a 2 inch knife in his carry-on luggage. That is, after he’s cleared security a number of times.
I know the feeling. I had a screwdriver in my carry-on backpack after flying at least three full round trips last year. One of those interchangeable bit types, with the removable shaft in the middle. Didn’t mean to have it, but you’d think that it would have been caught. Every time I stand in the hour-long checkpoint line, shoes in hand, I think of that screwdriver, and how ridiculous this all really is.