The Mount Rainier is an IC distortion/overdrive, with germanium clipping diodes. It is very versatile and transparent. Unity gain. Warm. Harmonically Rich. Included battery sag knob that Creates a very lo-fi sputter. True bypass. Volume, drive, tone, and sag knobs. 9v power jack, no battery clip. Hand painted Mount Rainier artwork on brushed metal enclosure. Indianola Labs uses only the clearest sparkling beer with Yakima Valley hops to fuel his electronic binges.