I notice this a lot in everyday life, with things like getting a text while heading out the door, answering it, then forgetting there were other tasks and leaving sans keys and wallet

This phenomenon was really useful for sneaking booze into football games as undergrads.

Two airplane bottles in your pocket, belt loop, etc. - somewhere obvious but not too obvious - can absolutely blind a ticket taker to the 6-8 you have taped to the back of your calves.

I believe the above is actually a paraphrase of Jim Jefferies’s bit about the difference between Australian and American airport security actually.