Anyone have a scratch repair tip for black compone


I have a vertical scratch on the face of my power amp (black brushed aluminum), anyone have a repair or cover-up tip?
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Black enamel paint carefully applied with a fingernail-polish brush. The goal is to use the paint to fill the scratch, nothing more. Gently buff when dry. It won't make the scratch disappear (nothing will), but if you do a good job on matching and applying the paint, the repair be difficult to see unless you are quite close.