My fingernails are growing in like soft shell crabs, with only the thinnest of barriers between me and the world. The nails that were there before I started the IFN have a slight pinkish tint, and the transition from nail to no-nail is pretty rough.
You can also see the lesions and pitting in at my fingertips. The pointer finger is from zippers and buttons, the ring finger is from typing (especially pressing shift and command)