Thanks to all for your support!
Fallenangel: That's because I don't know and don't see how the form continues in shapes or how the lines wrap exactly around the form. I try to get it but I'm still not getting it, even if I have a reference photo with best light / shadow taken.
electric toothbrush fingers
and some optional studies of the last spartan camp. The guy got the world's first pencil piercing !