Impressioning by Oliver Diederichsen

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I dreamed about a book like this for years, I met the author, Oli Diederichsen, at a UK Bump Keys 'Impressioning Day' When He and other World Champion lock picker Jos Weyers came to England to demonstrate the technique to a few of us. Not only did Oli have an amazing amount of knowledge on the subject, but He has a clear and concise way of sharing it. You can have all that information in the comfort of your armchair with a cup of tea. Security expert Barry Wels Described this simply as 'The Book'.

Impressioning is a technique where you start with a blank key and finish with a working key - Oli and Josh can do this in under a minute. It's time for you to learn how.

Impressioning by Oliver Diederichsen