I work in a bunch of koa that was given to me by an ex-girlfriend who went to visit her grandmother on the big island . She brought me some of the nicest boards back that i could ask for for making fingerboards or bridge and tail blocks.
After working out the kinks of grounding the strings to the pick-up, I've pretty much settled on this system.
I start with a piece of hardwood 1/2" to 3/4" thick and large enough to fit width of fingerboard string spacing and Height that will allow m