Hey Skunk........did you see the pic I provided ?  
 
Roller idea I agree......may be the easiest solution.  Not sure if the chain would roll across it though.  It's 1/2 " rode and much thicker chain.  
 
I strictly trailer so dock fee not an issue.   Since I don't anchor much maybe just a stainless chain will be sufficient.  Less but not completely eliminate risk of scratching the gel coat when bringing it in. 
 
Thanks
		 
		
		
		
		
		
		
		
		
	
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