Handcuffs have unusual and contradictory design requirements: They must serve one human, and at the same time thwart another. For those who wield handcuffs, they must be light and efficient to put on ...
The security of high-end handcuffs depends on a detainee not having access to certain small, precisely-shaped objects. In the age of easy 3D printing and other DIY innovations, that assumption may no ...
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