Originally Posted by Elevator Man
^^^Then Batman is some how able to fly like Superman. I thought his cape helps him glide when he jumps off a balcony, building or the top of something at least 50 feet in the air. He's on top of Falcone's car holding him with both hands and just takes off like Superman. He didn't use his grappling hook either. So I guess Nolan's batman does have superpowers.
Batman uses that grappling wire the same way he uses it when he escapes from his attack on Scarecrow at the Narrows when he gets on the roof to call Alfred. It doesn't show the wire, but it's obvious as it's the same way.