Pedals that stack with the GFI Rossie

Xotic RC Booster

What Xotic RC Booster brings here leans toward transparent — that's worth building a pairing around

Beetronics Buzzter Boost Preamp

Beetronics Buzzter Boost Preamp leans toward transparent, and that's a real, usable character to pair with

Crazy Tube Circuits White Whale

Run Crazy Tube Circuits White Whale after GFI Rossie in the signal chain, clear of GFI Rossie's own gain stage — goes in the amp's FX loop (or last, into a clean amp)

EarthQuaker Devices Dispatch Master V2

Keep EarthQuaker Devices Dispatch Master V2 after GFI Rossie in the signal chain, clear of GFI Rossie's own gain stage — goes in the amp's FX loop (or last, into a clean amp)