Pedals that stack with the Zvex Machine

Cordovox FL-8

Run Cordovox FL-8 after Zvex Machine in the signal chain, clear of Zvex Machine's own gain stage

Walrus Audio Ages

Run fuzzy into Walrus Audio Ages for more clean boost on top

Fender Blender

Fender Blender layers octave onto an already fuzzy signal

Pigtronix Echolution

Put Pigtronix Echolution after Zvex Machine in the signal chain, clear of Zvex Machine'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 Machine's fuzzy voice out front: Walrus Audio Melee Wall of Noise Black goes after Zvex Machine 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)

Jackson Audio Bloom V2 Compressor/EQ

What Jackson Audio Bloom V2 Compressor/EQ brings here leans toward transparent — that's worth building a pairing around