[MrUmpire]

Originally Posted by SanDiegoSteve

Okay, that's a simple way of conveniently closing the discussion, but the OP was about the mechanic itself, not the call or the explanation to the coach. So, the discussion is not necessarily closed at your request.

If we went by when the discussion should have ended, it would have ended after post #2, where I gave the correct mechanic.

Waving your hands in front of your face is the correct mechanic? Most everyone else is describing waving off the run by moving the hands/arms back and forth while extending them over one's head.