Mr. Frodo! I couldn't find any rope, so I wove together some spaghetti. I'm sure it'll work as well. What? That spaghetti was for dinner? Oh dear.
Or...
Man in Black: If you're in such a hurry you could lower a rope or a tree branch or find something useful to do.
Sam: I could do that. I've got some rope up here. But I do not think you would accept my help, since I am only waiting around to kill you.
Man in Black: That does put a damper on our relationship.