I use the NFL only in clock failure and my ready ref at BJ on TO and Huddles. I also use it for the time to get the ball to be kicked after a score. This is a time saving event for clock/game management.
I truly recommend both of these, just make sure you put a fresh battery in the ready ref each season. It gives you a 5 second warning on huddles and 15 second warning on time outs.
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