"2 overlapping pieces of plastic with a grid design affixed to the wall of a rental property."
A: "It is a crack gauge. The device will move over time if the crack it covers expands. When installed, it’s set to the center, and over time, any slow movement can be tracked."
ha ha nice try, I have had one for years and it is used to make "campfire toast" or cook hamburg, or most anything one desires.
Right. The ones of big size are for BBQ, this one is small and is a soap dispenser.