Is U Lockit Security Safe?

A new security startup has introduced a product to help prevent school shootings by allowing teachers to lock classroom doors using a u shaped rod that locks the door to the adjacent wall.

It kind of reminds me of the bulletproof bookcase and this report on classroom locks by Brian Rhodes.

What say ye? Would a fire marshal sign off on this?

Also, they have no qualms about using tragedies to sell products...

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