- bio usage
- Used in bios by actual mechanics, engineers, or tradespeople to signal their profession. Also used by gear-head or car enthusiast accounts.
- story usage
- Posted in stories showing car maintenance, garage work, or DIY home projects, often paired with before-and-after imagery.
- aesthetic usage
- Part of the industrial or grease-monkey aesthetic, common in car culture, tattoo, and working-class pride aesthetics.