Pedals that stack with the ProCo Fat Rat

Carl Martin Hot Drive'n Boost MK3

Put Carl Martin Hot Drive'n Boost MK3 in front and the mid-forward tone leans further toward high gain

JHS Smiley

JHS Smiley layers fuzzy onto an already mid-forward signal

Wampler Cory Wong

What Wampler Cory Wong brings here leans toward clean boost — that's worth building a pairing around

Caroline Guitar Company Parabola State Tremolo

Run Caroline Guitar Company Parabola State Tremolo after ProCo Fat Rat in the signal chain, clear of ProCo Fat Rat's own gain stage

Catalinbread Epoch-Set

Catalinbread Epoch-Set's warm voice goes after ProCo Fat Rat in the signal chain — it's not there to compete with ProCo Fat Rat's own full character — goes in the amp's FX loop (or last, into a clean amp)

Boss RV-5 Digital Reverb

Boss RV-5 Digital Reverb's spring voice goes after ProCo Fat Rat in the signal chain — it's not there to compete with ProCo Fat Rat's own full character — goes in the amp's FX loop (or last, into a clean amp)