ニコイチ!!!】自作fulltone ocd+big muff | big muff 改造記,Building a Big muff pedal with a £1.99 OtlgiaFx PCB Muff,Is This the Rarest Big Muff Clone Ever? - YouTube,Big Muff Pi with Tone Wicker | Fuzz / Distortion / Sustainer,FUZZっていこう! 自作BIG MUFF Electro-Harmonix BIG MUFF,