[167] How to solve Constantin's Book Box Puzzle

In this video I show you the quick, step-by-step solution to Jean-Claude Constantin's Book Box Puzzle. If you don't want the puzzle spoiled, don't watch the video!
#puzzle
#tutorial
#constantin

[@frankart1795]

how do you lock it up?

[@nathanjames.]

That looks like it would be really frustrating to solve without some hints. There’s no visible signs of progress.

[@LockPickingCuber]

That's true, but the reason it's possible is that as you take each step a new step becomes possible that wasn't possible before... It might not be very obvious in this video but in my longer one you can see how I went about solving it. It took me about 2 hours though... :-)