The recording’s original source, creator, and date are not documented. Online, short clips of pounding on metal doors are commonly used as practical effects in prank videos, horror edits, security-camera scenes, and comedy skits. The hollow impact communicates greater force and urgency than an ordinary door knock, even without showing the person responsible. Its brief duration makes it easy to synchronize with a sudden reaction, failed escape, locked-room scene, or unexpected interruption, which keeps the effect useful across many video formats.