Do you own this product? Write a review.
Do you own this product? Write a review.
Do you own this product? Write a review.
Do you own this product? Write a review.
A metal nut is threaded on a large metal bolt and dropped into a tube.
The tube is given a shake. Next you open the tube and dump out the contents.
Mysteriously, the nut is no longer threaded on the bolt!
Everything can then be completely examined.
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