From the source:

Sosaw Street Sweeper. Designed to be the filthiest pedal your amp ever met.

This is a knobless combination of the now discontinued S.O.S.A. heavy 3 transistor fuzz with the HM-2 EQ.

All controls are accessible via trimpot inside back plate. New pedals are set and shipped at my desired settings.

WATER YOUR BLOCK, FEEDBACK FOREVER.