Whoops! I forgot the answer to the turf twister.  The tan spots were caused by the guys resting their trimmers on the turf when adjusting the string.  The muffler burned the turf.  Normally they rest them on the rakes to do this adjustment.  Due to Covid there are no rakes.  Blame it on Covid.

 

Before...

 

 

And after.  No one guessed the answer but Sam Brown gets points for the only member to guess!