Forget the winch extension just get
200m of 12mm dyneema
Oh okay start with a 30 or better still a couple of hanks of 30 then work upwards
Dont need to be fancy terminated ones just seal the ends with a hot knife.
Tie a bowline - load it to the max then enjoy the wonder of watching a knot be untied in woven rope 
Dyneema is so light and strong I would never both with strap winch extensions any more.
Especially if you end up in tea tree country and need to make some yards
And as above - in any good recovery you will always lose a shackle or a pin. Replace the lost one with two and build up a collection of eight or more 
Steve
				
			 
			
		 
			
				
			
			
				'95 130 dual cab fender (gone to a better universe)
'10 130 dual cab fender (getting to know it's neurons)
			
			
		 
	
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