Fit the string guide String the guitar. Place the string guide over the b and e strings and find a suitable place for its placement on the headstock. Drill a small pilot hole and then screw the string guide down.   Cut the nut slots You should lower the nut slots until there is just …

  Before doing any levelling, you need to be sure that you are working with a straight neck. I’m using a Stewart MacDonald notched straightedge which allows me to read the fretboard. I adjusted the trussrod until the fretboard was flat. I have marked the top of each fret with a marker pen. This is so …