Not really for ratios. If there's a min and a max, sliders make sense. You can make a better argument for a knob if you have an unbounded range, or an effectiv

Not really for ratios. If there's a min and a max, sliders make sense. You can make a better argument for a knob if you have an unbounded range, or an effectively unbounded one (making small adjustments on a large scale). Think old iPods.