Pedals that stack with the Old Blood Noise Endeavors Pardner Fuzz Looper (Blue)

Zvex Seek Trem

Run Zvex Seek Trem after Old Blood Noise Endeavors Pardner Fuzz Looper (Blue) in the signal chain, clear of Old Blood Noise Endeavors Pardner Fuzz Looper (Blue)'s own gain stage

Walrus Audio Ages

Walrus Audio Ages layers clean boost onto an already fuzzy signal

Aguilar Octamizer (Bass Octaver)

Put Aguilar Octamizer (Bass Octaver) in front and the fuzzy tone leans further toward octave

Pigtronix Echolution

Keep Pigtronix Echolution after Old Blood Noise Endeavors Pardner Fuzz Looper (Blue) in the signal chain, clear of Old Blood Noise Endeavors Pardner Fuzz Looper (Blue)'s own gain stage — goes in the amp's FX loop (or last, into a clean amp)

Walrus Audio Melee Wall of Noise Black

Run Walrus Audio Melee Wall of Noise Black after Old Blood Noise Endeavors Pardner Fuzz Looper (Blue) in the signal chain, clear of Old Blood Noise Endeavors Pardner Fuzz Looper (Blue)'s own gain stage — goes in the amp's FX loop (or last, into a clean amp)

Jackson Audio Bloom V2 Compressor/EQ

Jackson Audio Bloom V2 Compressor/EQ's own transparent character is the real reason this is worth trying