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  • $\begingroup$ How do they cover the "south", unless someone literally has eyes in the back of his head (and isn't wearing a helmet)? $\endgroup$ Commented Aug 21, 2018 at 1:12
  • $\begingroup$ @RonJohn "South" can walk backward like somebody giving a college tour. $\endgroup$ Commented Aug 22, 2018 at 1:18