Flint and steel has long been a practical fire-starting tool, and its distinctive scrape-and-spark sound has become shorthand online for making fire without matches or a lighter. Short clips of the strike are shared on soundboards and reused in gaming videos, survival tutorials, camping edits and fantasy scenes, where a single metallic hit tells viewers instantly that something is about to burn. Because the sound is short, clear and instantly recognisable, it works as a quick audio cue even when the fire itself is only on screen for a moment.