Give it few more years and you won’t be able to use that tool. I certainly can’t , arthritis setting in with ageI have never suffered with this blind spot issue, however I put this down to a special tool I have called a neck ! I tend to use it to rotate my head and do shoulder checks.


 
	 
 
		 
 
		 
 
		 
 
		 
 
		 
			 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
  
  
 