I blow the whistle. I raise my hand with a fist like any other foul. Then I signal with both hands, one behind my head and the other pointing with a fist in the direction we are going. I believe I say, "offense" most of the time if I talk at all.
I report a PC foul by only putting my hand behind my head.
Peace
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Let us get into "Good Trouble."
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Charles Michael “Mick” Chambers (1947-2010)
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