Well, like I said smitty. I don't actually chew the gum while I am blowing the whistle and calling fouls. I kind of just use it for the flavor and may take a few chews here and there during breaks in the action.
Actually my dentists recommended it a while back because I fond that my jaws and teeth would hurt after calling a few games in a row. He said that I may be biting down on my whistle without really knowing it. It felt like my teeth were moving. He suggested putting some gum in my mouth to see if that would help, and it has helped a lot.
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