Pedals that stack with the Morley Power Fuzz Wah

Fulltone OF-2 Octafuzz

Fulltone OF-2 Octafuzz stacks octave on top of the fuzzy already here

Catalinbread Giygas

Put Catalinbread Giygas in front and the fuzzy tone leans further toward octave

Pigtronix Echolution

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

Walrus Audio Melee Wall of Noise Black

Put Walrus Audio Melee Wall of Noise Black after Morley Power Fuzz Wah in the signal chain, clear of Morley Power Fuzz Wah's own gain stage — goes in the amp's FX loop (or last, into a clean amp)