usually referred to as position drills. Player position specific techniques are practiced in scrimmages and through drills. Offensive linemen work on their various types of blocks, brute strength, and cohesiveness. Defensive linemen work on pass rushing and techniques to improve quickness, strength, and stamina. Backs use tipping drills, hand to eye coordination drills, and footwork drills. Players work with team drills as well such as fumble recovery drills, tackling drills, and habitual fake and surprise special teams play.