Head action at end of 2nd pull

[KENYON JENCKES]

I've noticed I'm throwing my head back at the end of my second pull. I'm having a hard time correcting it, and am not sure what the proper head position / action should be at this point.

http://www.youtube.com/watch?v=E7nTePA2WrA

[glennpendlay]

look at a spot on the wall.