It's not a new technique in the auto body industry, but cutting and polishing is a great way to smooth out your paint job. This two-part video will show you the process of sanding and polishing your auto paint. The first video shows you the steps for sanding the painted surface before buffing, which removes the imperfections after painting. The second video shows you some 3M polishes for buffing the car finish. This will polish the surface into a luster shiny paint job.