I've read several threads where RKC refers to "Diamondize"-ing Gold Crown rails. What exactly is he referring to when he says this and which mechanics have the ability to perform this work? I have a 8' oversize GC4 and would possibly like this work done. I would pack up and ship my rails to the mechanic to get done if no one could do it locally. I'm in San Antonio Texas. Please PM me if you'd like to talk to me about this work. Thanks!