Since B4 grasped the ring to prevent injury, no technical foul is ruled. However, the basket interference rule applies. In
(a), basket interference is ruled on B4 because the ball struck a still-vibrating ring. Award A1 two points. In
(b), since the ball entered and passed completely through the basket, basket interference is not ruled. Play continues. In
(c), because the ring returned to its original position before the ball struck the ring, basket interference is not called. Play continues.