JAM Pedals Red Muck MKllA Fuzz Distortion pedal, inspired from the circuits of the 71 triangle and the later Red Army Civil War Muff. Along with our individual touch, the end result boasts a smoother sound, fatter low end, pronounced mid range and added tonal flexibility through the expanded range of the tone knob. The current MKII version, sees the Red Muck updated in two very significant ways; It now features a High gain stage, engage able by a second onboard foot switch,