"Impatient," James taunted him, nipping sharply at his collarbone. "Make me, if you want it so bad. I'm planning to take my time." Despite his words, he finally ran his fingers over the length of Len's dick, wishing he could feel the contrast of heated skin against his metal fingers. He got a sense of pressure, but not temperature.

Len would feel it, though, and that was the important part.