dependent for existence, occurrence, character, etc., on something not yet certain; conditional (often followed by on or upon): Our plans are contingent on the weather. 2. liable to happen or not; uncertain; possible: They had to plan for contingent expenses.
But they don't do a worse job, either. Sure, expensive bristle brushes allow you to spread the varnish out smoothly, but so does a forty nine cent foam brush. So it makes sense to use the lowest-tech, least expensive tool to do the job.
2. Sand the run flat with 400-grit wet/dry sandpaper. Lubricate the sandpaper with a little water. Because you're sanding the finish, and not the wood, you can move the paper in any direction. This procedure applies to both spray and brush-on lacquers. 2  They are essentially the same, but the solvent that carries brush-on lacquer is less volatile, and the lacquer dries more slowly. 3  This allows brush marks to level out.