"no call" mechanic

[tharbert]

I place this with baseball's "foul tip" call used by basketball refs. While it's meant to convey a thought, it's used in a haphazard, arbitrary way. One ref's no-call signal doesn't exactly convey the same meaning as the next ref's no-call signal.

Also, the official mechanics we use seemed to be designed specifically to convey information to the players and or the table. These extra homemade signals some officials use are for the crowd and coaches.

I don’t think made-up mechanics have a place on the varsity floor but don’t gripe if others feel the need to use them. A withheld whistle is a no-call until you shrug your shoulders at the same time. Then it’s a mistake.