How to Get Nice Wide Shiny Stripes?

On the hot coat before gloss but what kind of spray? Gloss acrylic in a can? Or can gloss acrylic be used in an airbrush sprayer??

Yes on the hot coat. out of a can? don’t know, I have never tried that. I use a small touch up spraygun. No need to use gloss acrylic. it gets glossed when you do the gloss coat over your pinlines.