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					Originally Posted by ref3808  Many of us were probably taught that initially using the stop clock/open hand gives you the opportunity (although less than a second really) to consider your ruling or to make eye contact with your partner if you both blow the whistle. You can always change the open hand to a fist ... tougher to go the other way. | 
	
 If you do that, someone is going to think you are indecisive. And it does not matter which way you go IMO. 
Peace