Keys have long been the root of misplacement conundrums, with heart-stopping visions of the jingly bundles taking a ride through the sewers via the holey grates above and the ever-common "Honey, where ...

It depends on my key ring, but lots. Frequently I have two key rings at once. My daily key ring has car keys, house keys, tool box keys, workshop keys, and parents house keys (multiple bitings), while ...