I agree with Mr. 8Pack. For me it's because the shots must be hit firmly to keep spin from affecting the shot. I've been using an OB Classic & a McD i3. 
When I've tried a reg. shaft it works but, FOR ME, I am less consistent as there seems to be wider variations in the CB squirt/deflection. I'm sure one could get it under control in time but why, when it works fine with the 'LD' shafts.
Regards,
				
			When I've tried a reg. shaft it works but, FOR ME, I am less consistent as there seems to be wider variations in the CB squirt/deflection. I'm sure one could get it under control in time but why, when it works fine with the 'LD' shafts.
Regards,
			
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		 keep it up, it's well worth the effort my friend
 keep it up, it's well worth the effort my friend  
 
		 
 
		