Originally Posted by Mike McLean

I have purchased every single book and trade article i can possibly find. So many articles refer to decoding lock thru change key hole. Yet nowhere teaches how to actually do so. If anyone knows of an article or book that explains this process,please share. i have numerous practice locks, S&G, Lagard, Chubb, not to mention elocks as well. I dont understand how to decipher wheels 1 and 2 thru the changekey hole and beneath wheel 3. i understand how to map a wheel thru rivets and balance holes.

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