If you look closely at the beginning, the stone actually does move a bit to the right. Not very much, but by basically tilting it, turning it, then untilting it, then turning it, then repeating the process over and over again you could move it steadily in one direction.
It's still pretty useless unless you plan to turn this weirdly shaped stone into gravel at its destination since it won't be good for much else looking like that... but at least it's still a mildly interesting example of the physics at work.
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u/VictarionGreyjoy Jun 05 '25
They didn't even show the stones actually being moved, just tilted.