How to unlock basement door with chain?

[Post New]by Jerome7 on Nov 7, 14 1:50 PM
I'm not sure where I am but think I am in the school and I saw to the left the cloaked criminal run into a room and first "glitch" is I see this blue buttun and I have find something to pull it out BUT my biggest problem is in the room right before where ther is a "pull floor door" TO THE BASEMENT with a lock and chain on it. please help what and where do i look etc !!!!

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