If the passer stops behind the line and clearly establishes a passing posture, he will then be covered by all of the special protections for passers.HITS TO PASSER???S HEAD AND USE OF HELMET AND FACEMASK(3) In covering the passer position, Referees will be particularly alert to fouls in which defenders impermissibly use the helmet and/or facemask to hit the passer, or use hands, arms, or other par