How are beach volleyball block signals hidden from the opposing team ?
Closed fist No block should be attempted for the opponent on that side of the court , also known as " pull - off " One finger The blocker should block an opponent 's " line " attack , or a ball hit toward the nearest sideline Two fingers The blocker should block an opponent 's " angle " attack , or a ball hit diagonally from the net and across the court Open hand The blocker should block " ball " , deciding how to block based upon the opposing team 's set , and the hitter 's approach and arm - swing technique .