- A unique solution to a common bridge problem, this spruce device attaches beneath a guitar bridge
- An adjustable spruce "pressure post" rests against the tailblock, providing leverage to flatten the soundboard
- Better bridge contact and alignment can also enhance sound projection
- This screw-mount version attaches beneath the bridge via an inlaid screw (this requires a hole to be drilled through the bridge behind the pin holes)
- Installation instructions included