a Quarterman cone and a new biscuit-bridge, which I shortened to produce
an action of 2.5-3 mm, and use ghs .009 flatwound strings.
[Click pix for large size.]
audio samples (MP3). All in Open G tuning.
G = key of G | D = key
of D | C = key of C
I have never heard
other people play in the keys of C or D in Open G tuning.