Yes, using long hard board on clear coat is the quickest way you are going to cut orange peel down or level irregularities. It takes a little nerve, but once a person gets good at it they never go back. We also, liked using the powder guide coat. I agreed often self-made tools are the best answer - the last few years we were in business we specialized in XKE Jags and found a need to designed a adjustable long 'hard' board that we used on all our customer's restorations, one of the cars received 99.99 & Best Paint in a concourse show. We spent the money and got a patent on the idea. Now I am trying to find a way to get this concept on the market, I think a lot of guys would find it very useful, it just works.