"Which side is outside?" she queried, glancing over both her shoulders. And then stopped, arrested, at the one that seemed half-missing.

"...Oh." Hesitantly, she reached back with one arm - still visible, why would it be visible and not her wing? - and said, distractedly, "But...I can feel it. I can't..." her hand was waving around in the darkness. "I can't touch it, but it's still there, I can still feel it there."