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					Originally Posted by  referee99
					 
				 
				...is if I'm Trail I'm comin' in with loud verbal support at a minimum. "Great call!" 
			
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I don't like this advice.  I don't think it is necessary.  
Many new officials do not work on these things away from the court:
1.  Signals - we can all perfect our signals in front of a mirror.  Game action will cause them to likely fall below perfection, but they will still be good from practice.
2.  Rule knowledge and application
3.  Uniform