3X3 non-complex Code Lock - Very Compact and Survival Friendly

[Quackzy]

Today Im gonna bring you a very simple, easy to understand 3x3 code lock!​

Its a very compact non-complex contraption!​

I've had this contraption in my head now for some time so finally I show it to you guys!​

Though, for being very simple and compact it got some negatives which I listed in the video!​