5.5 Attack Restrictions

No open-hand tip: Attacking the ball over the net using fingertips in a soft "dink" or "tip" motion is illegal. Attacks must be made with a closed fist, knuckle, heel of the hand, or with a firm "cobra" (rigid fingers pushing the ball). The roll shot (wrist snap over the ball) is legal.; No back-...

Send this to your friend — argument over.