Knobfeel and Design Criticism

We have long been discussing the nature of design criticism. But I have yet to discover a form of critique quite like Knobfeel.  The project has a tumblr feed: Knobfeel.  Even better, it also has a series of youtube shorts Knobfeel.  All dedicated to describing the texture, shape, and general usability. Without ANY words. Grunts, taps, and dismissive panting, followed by the ubiquitous "meh," can be a form of criticism too.