Oh I got it backwards kinda, it's been so long since I've implemented it.  You can change IF it's trainable not WHEN it's trainable. =[ 
 
So you could remove dual wield for a class or set how high it can go up but you can't change anything else about it. 
		
	
		
		
		
		
		
		
		
		
		
	
		
		
	
	
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