I'm refinsihing the headstock of my Squier VM Bass VI after sanding off the decal. I'm thinking about spraying the headstock face with a nitro amber tint and some nitro clear coat. I've got a couple of questions: Will it be durable? Will it crack over time, like nitro finishes do on guitar bodies? Will it interact with the poly finish where it touches it on the sides (i'll only be doing the headstock face with nitro)?