You have to be a bit of a mad scientist to bump locks, and you’d need to be crazy to write a book about it.
But that's what I’ve done, and this is it!
This version weighs in at around 60 pages of detailed and easy to follow instructions on how to get the most from your bump keys. It's a technique brimming with cunning, now is the time to tap into that skill.
Includes:
- Spring Bumping
- Dampeners
- Key Positioning
- Striking Weight
- Turning Pressure
- Pre-Setting
- Guiding
- Steering
- Thumb-Stopping
- Swing & Clip
- And More