[Scooby]

Originally Posted by bob jenkins

I find that they only need to know three things:

1) If the clock is running, stop it when you hear a whistle.

2) If the clock is stopped, start it when a player, from either team, who is inbounds, touches the ball.

3) If you make a mistake, make it that the clock runs too much. It's easier for us to "put it back" than it is to "put it forward."

I would revise #2. Start when I put my hand down, watch me not the ball.