What Electro-Harmonix say:
The Ring Thing presents state of the art modulation control allowing the user to explore a new sonic world that is both familiar and inventive. Complex modulations with interactive parameters create any sound your mind can imagine. From metallic sweeps to subtle colour changes to unique and limitless modulations, the Ring Thing will become your sonic dream machine.
Articulate pitch shifting, preset tuning, selectable waveforms and external control delivers sound designer mystery, with a Rock and Roll edge.