15 Everyday Items With A Secret Hidden Purpose

4. Tiny Hole On Elevator Doors

If you’ve ever gotten into an elevator and thought about who’s watching you through the tiny hole on those elevator doors, you’re not alone in that thought! But fret not, the real reason for those holes on elevator doors are not because of peeping toms, but for your safety and security! If for some reason there’s a technical problem and you’re trapped inside the elevator, these holes just might get you out! These holes are for special unlocking keys building superintendents keep, to get the landing doors to open and getting you out safely.