1325623
9781581603682
IntroductionExamining the LockLock PrinciplesThe Manipulation TechniqueTwelve-Gate LocksOne-Gate LocksConclusionAppendix A: Ten-Gate LocksAppendix B: One- and Twelve-Gate LocksBlack, Carl is the author of 'Opening Combination Padlocks No Tools, No Problem' with ISBN 9781581603682 and ISBN 1581603681.
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