Pedals that stack with the Electro-Harmonix Tone Tattoo

MXR Distortion+

MXR Distortion+ leans toward compressed, and that's a real, usable character to pair with

Univox Super-Fuzz

What Univox Super-Fuzz brings here leans toward octave — that's worth building a pairing around

Hughes & Kettner Tube Rotosphere MKII The Analog Leslie Simulator

Keep Electro-Harmonix Tone Tattoo's spring voice out front: Hughes & Kettner Tube Rotosphere MKII The Analog Leslie Simulator goes after Electro-Harmonix Tone Tattoo in the signal chain so its transparent voice doesn't muddy it

Ashdown Macchiato Compressor Guy Pratt Signature

What Ashdown Macchiato Compressor Guy Pratt Signature brings here leans toward compressed — that's worth building a pairing around

Roland SDE-3000D

Run Roland SDE-3000D after Electro-Harmonix Tone Tattoo in the signal chain, clear of Electro-Harmonix Tone Tattoo's own gain stage — goes in the amp's FX loop (or last, into a clean amp)

Walrus Audio Mako D1 High-Fidelity Stereo Delay V1

Put Walrus Audio Mako D1 High-Fidelity Stereo Delay V1 after Electro-Harmonix Tone Tattoo in the signal chain, clear of Electro-Harmonix Tone Tattoo's own gain stage — goes in the amp's FX loop (or last, into a clean amp)