Aye. We've all got them. If you lose them, princess, you're dead.

[That was how he had died, once. Jack spits off to the side of the trail, trying to rid his mouth of that evil vomit taste.]

If you injure one, the pain is immense---though that's never happened to me. Even losing a feather can be painful.

[And sometimes the wings can bring great pleasure, too, but he's not about to go into that with her.]