This pedal mirrors the Dumble amplifiers in many ways. The Holy grail overdrive is a simple somewhat momely looking pedal and its knobs and and jack s appar to be labelled with a label maker. The controls are Drive Tone Accent and Volume and features a comp/open voicing switch jaust like the Dumble Overdrive Special Jazz/Rock.
Next level when it comes to seet touch sensative overdrive and very clean transparent boost. The Dumble tones that this littlle box produces has to be experienced.