Manipulation Book | The National Locksmith

Advanced guide to safe lock manipulation covering mechanical opening techniques for combination locks and Group 2 safes. Structured as home study course with progressive lessons from basic wheel lock understanding to manipulation mastery.

Includes actual manipulation demonstrations for spring fence, friction fence, direct entry, Star push-down, and Mosler false gate systems. Questions at end of each chapter test understanding. 134 pages with technical illustrations. For licensed locksmiths only.