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			Reality is that most coaches either don't have a book or it's in mint condition from non-use. 
 
There are some that probably know the rules as well or better than some officials, and those guys won't waive a book in front of you. They will just recite the rules because they know them. I respect these guys. 
 
So, the few coaches that waive a book will either be newbies or flamers looking for a fight.
		 
		
		
		
		
		
		
		
		
	
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