Requested Hermida Dover Drive circuit, and bonus, we’ve taken the internal bias trim pot and made it an external control so you can quickly and easily access those nasty, sputter and glitchy fuzz tones with the turn of a knob!
 
Controls are Volume, Gain, Treble, and Bias.
 
Nerdy stuff: 
IC: NE5532
Clipping Diodes: BAT46, 1N34A germanium, and 1N4148
Transistors: 2N7000