Quite possibly. How does it work?
I see a socket head machine screw; is the nut inside constrained some way? Does it act like an expansion plug? Does the black disk underlap or overlap the wheel disk?
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.Without freedom of speech we wouldn't know who all the idiots are. -- anonymous poster
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.Because much of what is in the published literature is nonsense,
and much of what isn’t nonsense is not in the scientific literature.
-- Sabine Hossenfelder
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