The one I'm watching right now has a dummy with movable eyes and eyebrows. His lower jaw also moves, of course, but that's to show speech. The eyes move from side to side, and although they don't change in size, they look bigger when the eyebrows are moved upward. The eyebrows can go up to show surprise or can go down to form a V on the dummy's forehead for a frown. The head may also be moved in a bobbing movement just a little and often from side to side.
Look at how the…
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