Help..Neck Straighten and shim on National guitar
3 Replies

Hi all.  I have a question..has anyone heard of a way that a super strong but super thin material ( ebony)  that can be used as both a shim under the fretboard to straighten out an old non truss rod…Continue

Tags: National, Duolian, shim, reset, bow

Started this discussion. Last reply by danny mangold Jun 11, 2016.