NCAA - signals/mechanics

[MechanicGuy]

Originally Posted by Raymond

The "chop" is done with the same hand that does the count, but instead of a chopping motion, a fist is formed just above shoulder level while flexing the bicep.

This is because many college officials are using precision timing and are using the off-hand to start the clock. Not something we are regularly to be concerned with at the HS level - though the first time you do use this device, figuring out how to chop, count AND start the clock is a bit of an awkward adventure lol