bump key
English
Noun
![](Images/wiktionary/Bumping_key.jpg.webp)
A typical bump key.
bump key (plural bump keys)
- 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
- jiggler