bump key

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English[edit]

Noun[edit]

A typical bump key.

bump key (plural bump keys)

  1. A lockpicking tool in the form of a key of the type generally used to open a lock, on which all pins have been cut down to the lowest position, so that striking this key sharply with a hammer while applying turning force at just the right instant after the impact will 'bump' open a lock.

See also[edit]