Well. Jolie has run into the strap-machines before, the ones who try to catch changed people and cage them. There are a couple inactive ones in this hallway, she can see them idle against the wall, and she knows she's way less changed than the Unknown, so she'll be less of a target.

She backs up a step, takes aim, and smacks a rock instead into one of the nearest ones. It creaks to life with a mechanical groan, but lashes one of its bandage-like appendages around one of the Unknown's tentacles.