A Universe of Things

Nissan Keyfob Hide-A-Key

Created by
InnovationByLayers
Created on Feb 28, 2010

The key clips in and you can magnetically stick it to a discrete place on your car. I'm using it to hide my key during runs.

Disclaimer: as pointed out in the comments, if a thief finds your key, you will not be able to claim any insurance money, so be careful!