Impressioning 'The Book' by Oli Diederichsen The complete guide to Lock Picking's most AMAZING technique. Imagine a technique where you finish with a WORKING KEY! 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 does Oli have an amazing amount of knowledge on the subject, but he has a clear and…
