- n.1. a tool designed to hold a key blank while making a key by the impression method2. a tool which fits into a keyway and holds a material that accepts impression marks easily
Locksmith dictionary . 2014.
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Lock picking — is the act of unlocking a lock by analyzing and manipulating the components of the lock device, without the original key. Although lock picking can be associated with criminal intent, it is an essential skill for a locksmith. Lock picking is the… … Wikipedia