There's a flick of his eyes to the half-dragon's face as he's given permission and he'll slowly spread his hand along the warm leather, marveling at the feel of the sleek membrane stretched between scaly digits.

"I got curious... about my kind. What I am. How Tieflings came to be." well in most circumstances. "And there were stories of some looking more infernal and demonic than I do. Cloven hooves and wings."

He mutters about this as his fingers continue to trace along the wing carefully, light touches moving to the long, scaly, finger-like bones, following it up to the top of his wing where there's a clawed thumb.

"I often wondered what it would be like to have wings."