Pedals that stack with the Laney Ironheart Foundry Leadtop 60W Head

Seymour Duncan Vise Grip Compressor

Run the Vise Grip before the Foundry to add transparent, boutique compression before the amp's own modern gain reacts to it.

Wampler Catacombs

Keep the Catacombs in the Foundry's loop for parallel analog tape-echo texture behind that modern metal crunch. — goes in the amp's FX loop (or last, into a clean amp)

Empress Echosystem

Run the Echosystem in the Foundry's loop for complex, MIDI-controllable delay and reverb the amp's own crunch doesn't offer. — goes in the amp's FX loop (or last, into a clean amp)