The Quimper Electronics Roadtripper Warm Glow is an overdrive and boost pedal emulating tube amplifier tone using a proprietary SST (Solid-State-Tube) technology. It can be used in several different ways, check out the manufacturer's suggestions under this video by Shnobel. https://www.youtube.com/watch?v=LCa2E64E9BQ There are several ways to use the "Warm Glow"™…... Click for more