The title says it all. I found a company that's willing to make me custom carbon fiber pickup covers, most likely for Nordstrand Big Singles. Those normally have exposed pole pieces, but Nordstrand has already said that they do covers with non-exposed poles as an option. So, could I have this company make carbon fiber covers without holes for the pole pieces without affecting the sound? I have no idea if the carbon fiber would interfere with the magnets and the strings. If a fully enclosed version is a bad idea, what if they put in the holes for the pole pieces? Any thoughts or opinions? Thanks!