Wolf Shaman

So, basic premise of this shaman, is that he is possessed by a wild spirit. In this case a wolf spirit. Think daemonic possession but not in such an exorcist sort of way. The shaman is basically an empty vessel that the spirit has completely inhabited. The mouth of the shaman is stitched shut so that the spirit cannot be expelled through the mouth, and he goes blind. So he basically is a blind and mute, and all speech and sight come from the wolf pelt's "head" on his shoulder. Just thought this all out as i was painting it, opinions?