Switched-Out Guitars: The Story Behind all those Knobs and Toggles | Reverb https://reverb.com/news/switched-out-guitars-the-story-behind...
"There are a lot of switched-out guitars out there, but few are as adorned as the Les Paul Recording, Guitorgan, Gretsch Super Axe, Roland GS-500, and Epiphone Professional Outfit. Here’s a little background on five of the most knob and switch-filled guitars we see come up for sale on Reverb." ‎- Smooth Young Priest