Hi   I'm looking at building something similar to the Westone "The Rail" bass. Not 100% certain yet, but exploring the idea. It won't look quite like this but I wanted to see what the smallest bass I could make.     I can see how it fits together and nothing strikes me as too difficult at the moment, famous last words, apart from where things actually earth on the above basses.   AFAIK there is normally (always?) an earthing strap/wire/connection from the