This is a an interesting and strange custom for certain - making yourself sweat on purpose? Skellig has questions, but he will have to learn more about these people and their habits to answer them.

"Your fingers are swift, they feel good against my skin as you work them." He stretches the wing she is finishing up, adjusting its position against his body - showing it off slightly. (Yes she is the only one watching, but he knows she likes the view.)