Eddie Van Halen, a member of the famous band “Van Halen,” is one of the most prolific guitarists in rock and roll history. While famous for his signature two-handed tapping technique used during the solo in the song “Eruption,” Eddie also patented his invention for a musical instrument support device. The supporting device was constructed and arranged on the back of a stringed instrument and enabled the player to support the instrument without having to hold it. Specifically, the supporting device was comprised of a plate overlying the rear surface of an instrument which could be moved to a position perpendicular to the instrument, allowing a user to rest the plate against their body in order to stabilize the instrument without the need to hold the instrument. Because both hands were free from holding the instrument, a user could create new techniques and sounds which were previously impossible with one hand holding the instrument.