3 ms·

Try pointing to the part that is the key that unlocks it, and you will see. (-: Yes, strictly speaking the headlined article is likely talking about door bolt

by JdeBP 8y ago

Try pointing to the part that is the key that unlocks it, and you will see. (-: Yes, strictly speaking the headlined article is likely talking about door bolts not locks.

amalcon 8y ago
There are plenty of locks that do not use keys, e.g. a keyless deadbolt.
- JdeBP 8y ago
  No. The key that unlocks a "keyless" deadbolt is the code that one types in.
  - amalcon 8y ago
    That type exists, yes. There is also the variety that is simply impossible to unlock from one side.