TRF BLACK N WHITE on Instagram: "Ever wondered how handcuffs actually work? 👀 These metal restraints are designed to lock both wrists close together, limiting movement and ensuring control. Each cuff has a clever ratchet system — it tightens easily but won’t loosen without a key. Once it clicks shut, a spring-loaded lock holds it firmly in place. There’s even a “double lock” mode to stop it from getting tighter, keeping things secure and safe. Simple, smart, and seriously effective — that’s why