By Robert G. Sieveking
A good master key combination should contain one of the highest cuts in at least one space. This prevents someone from recutting another key in the system to produce a master key. The best master key cuts will have a combination of odd and even adjacent numbers. Master key cuts which use all even or all odd numbers will produce change keys with. Master keying refers to the keying procedure that makes one lock work with two or more key cut combinations. The master key will be able to open all locks in a complex, and the other key (the tenant key) will only be able to open one lock in the complex. The right combination of bottom pins and master pins will produce a shear line for both keys. The Master's Key was the key (and attunement) to enter Medivh 's tower of Karazhan in Deadwind Pass. It is a reward from the quest Return to Khadgar. In order for your raid to enter Karazhan, only one person needs to possess the key. “The Master Key System” written by Charles F. Haanel in 1912 and first published in 1916 by Psychology Publishing, St. Louis and the Master Key Institute, NY The original text is now in public domain. However, this free e-book edition is not in public domain. It cannot be shared, distributed or reproduced in whole or in part.
Guide toCommon Master Keying
This book takes much of the mystery out of master keying. It contains many of the tricks, work-arounds and insights gained through experience. It is unlike many of the grand works of technical confusion penned by other authors. This is a Complete Home Study Course (a How-To guide) in master keying. The book is spiral bound for ease of reading and use in the shop. It is better than a class or lecture. Learning objectives are stated at the beginning of each chapter and Study questions follow the text. Answers to the questions are found at the back of the book. The 'Scan and Print' section allows the reader to copy and reproduce blank forms, System Cards, Pinning Matrix Cards and Pinning Cards found in the text. If I had found this book forty years ago, my experiences with master keyed systems would have been a lot easier. It is priced at about half what you would expect to pay for a short class in master keying, at any locksmith convention or trade show. This book makes Master Keying easy to understand and will answer many of the questions surrounding the magic of master key systems. 'You' can write Master Key systems, with al little knowledge and a sharp pencil. You just have to know the 'Basic Rules of Master Keying.'
Written by a Locksmith of over 40 years, Instructor and International Speaker on Locks and Locksmith Techniques, this book is a 'must have' text for anyone that writes or maintains pin tumbler Master Key Systems. No other book covers the subject to this level of explanation.
Master Keying Software Programs
Master Keying Guide
5 1/2 x 8 1/2 Spiral Bound, 184 pages