This may be accomplished by means of jiggler keys used for opening door locks. Such keys are of two types: those for opening locks having two sets of tumblers, and those for opening locks having only one set.
Source: wiktionary
Jiggler
Synonyms for "jiggler" (7 found)
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Sample sentences
2 total sentences available.
I knew about the whole key “jigglers.” Basically, random car keys are shaved down with a file, rounding out sharp edges.
Source: wiktionary