Pedals that stack with the Zvex Razzle Dazzle Fuzz Factory

Cordovox FL-8

Put Cordovox FL-8 after Zvex Razzle Dazzle Fuzz Factory in the signal chain, clear of Zvex Razzle Dazzle Fuzz Factory's own gain stage

Fender Blender

Run fuzzy into Fender Blender for more octave on top

Aguilar Octamizer (Bass Octaver)

Put Aguilar Octamizer (Bass Octaver) in front and the fuzzy tone leans further toward octave

Strymon OB.1 Bass

What Strymon OB.1 Bass brings here leans toward clean boost — that's worth building a pairing around

Pigtronix Echolution

Run Pigtronix Echolution after Zvex Razzle Dazzle Fuzz Factory in the signal chain, clear of Zvex Razzle Dazzle Fuzz Factory's own gain stage — goes in the amp's FX loop (or last, into a clean amp)

Walrus Audio Melee Wall of Noise Black

Keep Zvex Razzle Dazzle Fuzz Factory's fuzzy voice out front: Walrus Audio Melee Wall of Noise Black goes after Zvex Razzle Dazzle Fuzz Factory in the signal chain so its ambient voice doesn't muddy it — goes in the amp's FX loop (or last, into a clean amp)