It's looks like it's stuck to the floor, but you use your strength to bend it back and forth, which breaks the thing off.Examine the thing on the floor that looks like a crowbar (except it's standing up.)
You now have a crude crowbar.
You take a closer look...Examine the box under the one you used to open the door
It looks like someone tried to circle some of the letters...
(post commands, update finished)