Guitar fret noise is one of those tiny production details musicians know well but listeners rarely notice, the scrape of skin and calluses against wound strings. Online, isolated recordings of it have become handy editing tools for creators who want guitar videos to feel authentic rather than studio perfect. It shows up in covers, tutorials, meme edits and short skits, usually buried low in the mix. Because it reads as a mistake, it doubles as a light comedy cue for awkward or unpolished moments.