Neck joint reinforcement plate
Neck joint reinforcement plate is built in between top piece and back piece.It is tough and lightweight because it is made of Titanium(Ti-6Al-4V).It covers from the neck pocket to under the bridge.
5 string bass bridge
I designed a new bridge for 5 string bass guitar.This bridge has some unique features. Each saddle position can be fixed. Possible to connect ground wire to each saddle. The space between the strings are same width.