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Old 04-14-2017, 11:28 AM   #6
johndallman
Night Watchman
 
Join Date: Oct 2010
Location: Cambridge, UK
Default Re: Lock jaming/blocking - a technique?

Quote:
Originally Posted by adm View Post
Instead of glue, perhaps resin, epoxy, or caulk, something that dries as a solid mass that is the wrong shape?
Filling space a key needs to occupy works in general.
Quote:
Depending on how tightly made they are this may work on some combination locks. Another option might be to remove the dial from dial type combination locks.
For combination locks - aha - gumming up the combination wheels works, as does jamming the opening handle or its mechanism for moving the bolts (a combination lock blocks that). So simply removing the dial, handle, or both works, although this is more obvious.
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