The Content Of The Article:

You lost your key? No problem to lock the lock. Demonstration

Joiner's tips and tricks: lock a door without a key

• Drill the steel bolt with a metal drill bit (Ø? 3.5? Mm) between the handle and the keeper.

• Insert a screw into the hole (after tapping) that serves as a pin.
The bolt is immobilized and any maneuver of the handle thus condemned.

Video Instruction: Watch This Before You Buy a Festool Domino or Pocket Hole Jig