Guitar Pedal X - GPX Blog - Jackson Audio's 4th Pedal - the Belle Starr Overdrive seems to be an Extraction and Extrapolation of the Amp-like MOSFET Boost Circuit from the Prism
Fulltone Musical Products, Inc. | pedals | Full-Drive2 Mosfet
USED Fulltone Full Drive 2 Mosfet Guitar Effects Drive Pedal
Amazon.com: Jackson Audio Amp Mode MOSFET Boost Guitar Effects Pedal, Silver (AMPMODE),Small : Toys & Games
JOYO R-05 Maximum Mosfet Overdrive Guitar Effect Pedal – Lazer Music