Low Mass (Big M_ff Civil War Clone with Mods)
Low Mass is a big muff civil war clone made to doom. It features a hi pass filter which is great for cutting out some low end when needed if your amp is overly bassy or if you’re looking for increased clarity. It also features a switch for normal, led, and silicone clipping. Adjust to taste. This pedal circuit / muff variant has been used by many great players
• David Gilmour (of Pink Floyd) — used the model on the Pulse tour and for lead tones. 
• Thurston Moore (of Sonic Youth) — photo evidence shows him using the Civil War Big Muff. 
• Matt Pike (of Sleep) — early photo of Sleep shows him playing a Civil War Big Muff. 
• Gerard Way (of My Chemical Romance) — noted on Instagram that he acquired a Civil War Big Muff and used it during the recording of Danger Days. 
• John Fogerty (of Creedence Clearwater Revival) — has mentioned using the Russian Big Muff (Civil War variant) to add a “hippie vibe” to his tone. • Stephen O’Malley (of Sunn O)))) — in his list of “desert-island” gear includes the Civil War Big Muff. 
• cEvin Key (of Skinny Puppy) — appears in video footage using the Civil War Big Muff in his setup.
Comes guaranteed for life. if it stops working send it back and I will repair it, replace it, or refund your money.