Key jangling is a staple foley sound in film, television and online video because doors, locks and arrivals appear in almost every story. Close recordings like this became popular with editors and soundboard users who need a clean, isolated clip that can be dropped in without room tone, often paired with a door knocking sound effect for an arrival scene. It is now widely reused in skits, game streams and animations where a small, recognisable real-world noise sells the action on screen and helps viewers follow movement even when the keys stay off camera.