Hello Gentlemen In-The-Know, A student of mine has emmersed himself in the music of the Late, Great Jaco Pastorius. He recently purchased a used factory fretless Mexi-J. The fingerboard is in great shape because it sports flatwounds. He hates the sound (I dig it...oh well), and wants to switch over to round wounds. I warned him about damage to the fretboard and suggested getting a pro finish job on the fretbaord ( I had mine done by Pedulla for $ 225). When I told him the price he said Dad won't go for it. I then told him about the thread here on TB regarding Mylar as a coating, and that possibly, one of you may be able to do it. Again Dad balked. Well here's Dad's plan :clear heavy duty packing tape. I'm no luthier, but this just doesn't sound like a good idea. Am I wrong to advise against this ?