8 August 2014: Digitech Whammy IV preset mod: allows you to cycle through your presets without bending over.
We are a custom effects shop located in Boston, Massachusetts, USA and specialize in building, modifying, repairing, and maintaining guitar pedals. Our blog includes some background information on custom work we do. The gallery is full of our favorite past projects. Follow us on Facebook for more frequent updates of things that may not make it on the official FXdoctor page and join our newsletter for occasional updates.