I've picked up a project guitar and it seems like the former user had some serious finger nails. What is the easiest to remove the fretboard? The neck is very straight and I don't want to do anything to hurt that so I don't know if heat or steam would be a good idea. Any help appreciated. I can get a new rosewood fretboard from Stew-Mac for less than $20. with the proper scale length, fret slots already cut.