Sometimes someone just sits in a pose that you know you have to get, and you know they aren't going to stay in for very long. This Guy was making full use of having all the seating to himself, and the way his arms stretched back from his torso was brilliant. Every thing just flies onto the page and ( hopefully ) makes sense.
And then they move, and the moment is gone, and you usually look at the drawing later and it is nothing that you wanted to say, but, occasionally, it plays along and catches it enough to make you smile to yourself. This is one of those.
Quite pleased with his knuckles... you know, circle, circle, circle, circle, done.