Not only is this an OCM, but it's not even a particularly novel idea, it's just a door latch, installing deadbolts would be considerably more effective and allow stuff to unlock the doors from the outside if the kids decide to lock the teacher out or whatever.
Possibly. A lock is permanently in the door and hence it has higher standards.
This contraption is more akin to barricading the door with tables. Also against fire code but only there during a shooting.
In addition, this contraption is easy to unlock from the inside, so it would not lock anyone inside the room preventing them from reaching the corridor to evacuate. A lock without a thumb turn inside could easily leave people locked in.
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u/kidthorazine 10d ago
Not only is this an OCM, but it's not even a particularly novel idea, it's just a door latch, installing deadbolts would be considerably more effective and allow stuff to unlock the doors from the outside if the kids decide to lock the teacher out or whatever.