That's a shame.... Yes, that's the effect of wind on soaked, old & tired canvas (been there, done that). 
 
Have been looking for one myself, but have not come across a usable 2nd hand one till now. 
 
I guess I will be buying one from John & Mary Worthing canvas.
		 
		
		
		
		
		
		
			
				__________________ 
				Regards, 
Hanno
 
--------------------------
 
			 
		
		
		
		
		
	
	 |