Indeed, it hardly gets better then the feel of turning hardware knobs in machine interfaces. Some distant resemblance to [0] perhaps? [0] http://www.greenend.

Indeed, it hardly gets better then the feel of turning hardware knobs in machine interfaces. Some distant resemblance to [0] perhaps? [0] http://www.greenend.org.uk/rjk/misc/nipple.html http://www.greenend.org.uk/rjk/misc/nipple.html