Griffin Powermate USB (Space Grey) [ Input Devices ]
Griffin PowerMate Volume Control Cabinet Mod
Griffin PowerMate Multimedia Control Knob for USB Computers, Black - Assignable USB multimedia controller (9d17dd30e8444a57794f02ecaf6e3849) - PCPartPicker
Griffin Technology PowerMate Bluetooth Controller GC37886 B&H
Griffin PowerMate Multimedia Control Knob for USB Computers, Black - Assignable USB multimedia controller. {link removed} for Sale in Walnut, CA - OfferUp