've stressed the importance of goal line mechanics in the previous few installments. The goal line is involved with most scoring plays and is involved with all touchback and safety decisions. The special goal line mechanics get the wing officials to the goal line in advance of the ball so they can clearly rule on, if, and when the ball has penetrated that goal line plane.

In reverse

Last time out, I commented on the need for good communications between the wings and the Back Judge. That was primarily for situations where Team B's goal line was threatened by Team A. Now consider this situation:

Continued...