Alloy Aluminum Classic Style Metal Police Handcuffs

A: Not entirely. Early, simple chain handcuffs might have posed a risk, but modern standard handcuffs (especially double-lock hinged ones) have complex lock cylinders and anti-pick designs, making them extremely difficult to open non-destructively with simple tools. Movie and television depictions are often artistic exaggerations.

A: Within the same jurisdiction and for the same type of standard handcuffs, keys are usually interchangeable (e.g., the "Type 838" used by the Chinese police). This is to allow for cooperation between colleagues in real-world situations. However, keys from different countries, brands, or special models are generally not interchangeable.