[Bruno leaves the zipper he's crawled out of open for Izabel to look into if she wants.]

They do. [He gestures to the zipper behind him.] I can use that in an emergency to escape either by creating space, or moving along walls or floor if there's not much time.

But I can also use it to attach or detach things as necessary. For example, Sticky Fingers has a limited range, but I can detach his fist to extend my reach. That means detaching my own, of course, but it's not that difficult to get it back together again.