Reformatted Roof

As he reached the rafters, Batman swung his legs up to lock his feet through the angle created by the roof girders and the crossbeams that supported the light fixtures. With one hand he held his cape out for protection against the barrage of freeze beams. With the other he picked two Batarangs off his Utility Belt.

Batman: Arkham Knight: Riddler's Gambit, Chapter 13, Pg. 138