Pedals that stack with the Keeley Angry 4-in-1 Distortion/Fuzz

Xotic EP Booster

Xotic EP Booster stacks clean boost on top of the fuzzy already here

Boss BD-2 Blues Driver

Boss BD-2 Blues Driver layers clean boost onto an already fuzzy signal

ZVEX Instant Lo-Fi Junky

ZVEX Instant Lo-Fi Junky's low gain voice goes after Keeley Angry 4-in-1 Distortion/Fuzz in the signal chain — it's not there to compete with Keeley Angry 4-in-1 Distortion/Fuzz's own fuzzy character

Hungry Robot The Borderland

Put Hungry Robot The Borderland after Keeley Angry 4-in-1 Distortion/Fuzz in the signal chain, clear of Keeley Angry 4-in-1 Distortion/Fuzz's own gain stage — goes in the amp's FX loop (or last, into a clean amp)

Hungry Robot Moby Dick V2

Keep Hungry Robot Moby Dick V2 after Keeley Angry 4-in-1 Distortion/Fuzz in the signal chain, clear of Keeley Angry 4-in-1 Distortion/Fuzz's own gain stage — goes in the amp's FX loop (or last, into a clean amp)

Jackson Audio Bloom MIDI V2

Jackson Audio Bloom MIDI V2 leans toward transparent, and that's a real, usable character to pair with