If you're willing to do some exacto knife work, this would be a cheap way. I've used this on some small bicycle parts and it looks real.
Two rolls would do it. Cheap enough to try, and if it looks bad peel it off.
https://www.summitracing.com/parts/slc-t...CFYw2gQodBBAC4A

"use it 'till it breaks, replace as needed"