This Samurai Sword is a clean boost pedal that is an essential item for your rig. Keep it on all the time to hit your tube amp harder, or kick it in just when you need to cut through the mix.
A sharp tool like this can hit your amps with just the right level and is indispensable for achieving the perfect guitar tone.
Building Docs coming soon! Stay tuned.
For further analysis on this circuit take a look at this thread on Free Stomp Boxes.