Electro Harmonix J Mascis Ram's Head Big Muff PI Fuzz/Distortion/Sustainer Effect PedalIts difficult to think of J Mascis without throwing the sound of a Big Muff in front of your brains signal chain. An infamous collector of Electro Harmonix Big Muffs (and a pretty good guitar player, too) Mascis now has his own signature Rams Head Big Muff Pi with special edition violet art in an EHX nano sized pedal. Its origin story begins with the 1973 v2 of this pedal. Based on that circuitry, Mascis Muff handles both individual notes and chords