And, that was the conception of all the subsequent conspiracy theories. Had Oswald gone to trial, we'd have none of it.
Oswald was moving his hands quite a bit. I don't know when the cuffing around back started and he seemed to be moving around pretty well to have been shackled. That's why I asked based upon the comment about instinctively moving one's hand in protection. Oswald seems to have been anticipating something, not reacting to something.
Either way, he did it like a girl, top and bottom. Not like a real man, spreading wide and grinning proudly.