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technologys | Handcuffs are mechanical restraints used to limit a person's wrist movement by locking both wrists close together. Each cuff has a ratchet... | Instagram
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UNIVERSE | SCIENCE | TECHNOLOGY on Instagram: "🔒 HANDCUFFS MECHANISM — How they actually work Handcuffs aren’t just metal loops… They are a locking restraint system designed to limit wrist movement 🖐️ Inside them is a ratchet and pawl mechanism ⚙️ When the cuff tightens, the teeth lock into place so it can’t loosen on its own 👮‍♂️ Most have: ✔️ two wrist cuffs ✔️ a connecting chain or hinge ✔️ a safety “double-lock” to prevent over-tightening Their job is simple: 👉 restrict movement 👉 preve
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