The ideal controller for our guitar pedals' knobs would be some kind of sci-fi brainwave sensor that telepathically changes the settings effortlessly, exactly the way we want, while we focus on playing. While waiting for somebody to come up with that device, we should be happy there's an affordable solution that allows us to tweak our stompboxes' knobs without having to bend over: we are referring to the Oknob, a little plastic lever that facilitates control of one knob per pedal (or more, if there's enough space) with our foot.... Click on the title for more