Hey Mark,
Well, I have never had a problem with a coach being confused following a intentional foul call. I really don't see any need to move to an NBA model.
About mechanics - I have my own pet peeve on this one. I wish that there was a NF signal for calling a timeout. FIBA has a separate signal for timeout (single digit touching palm of other hand over head) and for a technical (all digits touching palm of other hand in front of the body). Not to have a mechanic for timeout seems silly.
Cheers,
David
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