The MXR Jail Guitar Doors Overdrive captures the raw, gritty tones that Wayne Kramer used to upend rock ’n’ roll through MC5’s legendary early 1970s recordings. Daredevil Pedals’ Johnny Wator worked closely with the MXR design team to fuse his Drive-Bi Dual Gain Distortion with the MXR Micro Amp, creating cascading gain stages for a sound reminiscent of two dimed-out 100-watt stacks. A single knob controls the outputs of both circuits, feeding the first into the second as the volume increases and delivering an unrestrained roar that’s thick with harmonics.