Pedals that stack with the EarthQuaker Devices Chelsea V1 Low End Fuzz Driver

MXR M103 Blue Box

MXR M103 Blue Box leans full right where the thin tone needs it

Walrus Audio Ages

Put Walrus Audio Ages in front and the fuzzy tone leans further toward clean boost

Caroline Guitar Company Somersault

Put Caroline Guitar Company Somersault after EarthQuaker Devices Chelsea V1 Low End Fuzz Driver in the signal chain, clear of EarthQuaker Devices Chelsea V1 Low End Fuzz Driver's own gain stage

Walrus Audio Fable

Put Walrus Audio Fable after EarthQuaker Devices Chelsea V1 Low End Fuzz Driver in the signal chain, clear of EarthQuaker Devices Chelsea V1 Low End Fuzz Driver's own gain stage — goes in the amp's FX loop (or last, into a clean amp)

Warm Audio Pedal 76

What Warm Audio Pedal 76 brings here leans toward compressed — that's worth building a pairing around

Walrus Audio Mako D1 High-Fidelity Stereo Delay V1

Keep EarthQuaker Devices Chelsea V1 Low End Fuzz Driver's fuzzy voice out front: Walrus Audio Mako D1 High-Fidelity Stereo Delay V1 goes after EarthQuaker Devices Chelsea V1 Low End Fuzz Driver in the signal chain so its pristine voice doesn't muddy it — goes in the amp's FX loop (or last, into a clean amp)