Here's one for the newbies

[Freddy]

Originally Posted by Gargil

Air balling a free throw is a violation, what is the signal? I always see the Officials do the finger pointed in the air twirl.

Just raise the open hand, air up the whistle, point to the spot of the violation (I just point towards the rim), then point to the spot for the throw-in.
Everyone knows it missed the rim.
The inverted toilet swirl, until it becomes approved, is ridiculous. Probably will be ridiculous if it does become approved.

[mbyron]

Originally Posted by Freddy

The inverted toilet swirl, until it becomes approved, is ridiculous.

It is approved. In football it means "one untimed down."