I know most players do, but I always keep both eyes opened. I still do it. I see two shafts, the real one and the transparent one. I look for what's on the inside edge of the transparent one.
-- Ben Crenshaw
   
Ben Crenshaw   Name:
Ben Crenshaw
Type:
Athlete
Nationality:
American
Birth:
January 11, 1952
https://www.nutquote.com/quote/Ben_Crenshaw