It helps to use the quote feature, if you are directing a question to one person. I see the discussion was mostly about sanding sticks.
Using nail 'polish' was learned about 30 years ago. I think for the price, it's better than ordering special model paints. I get the unusual colors, not what is already offered as model paint. My first, and still only street rod, was painted with a pearl pink. First contest got a special award, Paint Job Mostly Likely To Cause Globull Warming.