Pedals that stack with the Universal Audio knuckles

Browne Amplification Gritador

Browne Amplification Gritador pushes a crunchy tone toward mid-forward

Greer Southland

Greer Southland takes that crunchy character and pushes it toward clean boost

Wampler Cory Wong

Wampler Cory Wong leans toward clean boost, and that's a real, usable character to pair with

Caroline Guitar Company Parabola State Tremolo

Keep Universal Audio knuckles's crunchy voice out front: Caroline Guitar Company Parabola State Tremolo goes after Universal Audio knuckles in the signal chain so its clean boost voice doesn't muddy it

Catalinbread Epoch-Set

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

Boss RV-5 Digital Reverb

Keep Universal Audio knuckles's crunchy voice out front: Boss RV-5 Digital Reverb goes after Universal Audio knuckles in the signal chain so its spring voice doesn't muddy it — goes in the amp's FX loop (or last, into a clean amp)