Metropolitan Police Department investigators check the side door believed to have been the entry point in a robbery, in the Tokyo suburban city of Kokubunji on Oct. 1, 2024. (Mainichi/Kengo Suga) ...

If your home has a lot of interior doors that lock, sooner or later, you’re bound to lose the key or lock it inside the room (if the door even has a key), or discover your toddler has locked himself ...