The Registry brand hotel safe’s nameplate can be easily removed revealing a backup keyhole underneath. Using nothing more than a simple pocket tool and a short length of wire, Jim Stickley was able to easily open the safe using just a pocket tool. When the safes door is then closed it automatically locks itself again like nothing has happened. Adding insult to injury, when a traveler returns to their hotel room they’ll see the safe’s door closed and assume it’s locked and secure, when in reality its contents have been secretly emptied.”]
Source: https://gizmodo.com/watch-this-guy-open-a-hotel-room-safe-with-a-pocketknif-1729866677