When I went to Jim Evans in 2010 and then again in 2012, there was only only two communication signals that we were taught...
1. Infield fly which was a very low key index finger too the right side of hat brim for BU and right side of mask ear extension for PU.
2. Two out time play, which was the number two communication and point to to the ground.
We got yelled at if someone gave the non verbal communication for the first to third signal. All other signals showed you that you were unfocused and did not pay attention to the situations. I have been trained and I do not do that many signals to my partners because I read and react. It has been countless times that my partners tell me that they will be at third "non verbal communication" and I end up making a call at third anyway because they fell asleep at home or waited for R3 to touch and by the time he has touched R1 is already half way to third and the relay has already started to third.
That's my $ 0.02 on over communications.
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