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			I suspect that maybe your mask was too tight.  They are designed to spread out the energy of an impact - if you got a headache from it, too much of the energy transferred to your head, likely indicating the entire thing was too attached to your head.
		 
		
		
		
		
		
		
			
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				"Many baseball fans look upon an umpire as a sort of necessary evil to the luxury of baseball, like the odor that follows an automobile." - Hall of Fame Pitcher Christy Mathewson
			 
		
		
		
		
		
	
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