look at the muscles. See how they wrap around to the front from the back and make a v shape under the neck. the back muscles form into the back of the neck. the bottom of the skull is high in the back for the most part. Just keep studying pics like these. Work on the neck a little and I think the model will be complete for the head part. Looks a little like hitman. I was just playing that tonight. Later. Hope this helps.
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