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			This seems like a silly question for this professional site, but I have recently started working at a privite school and they have an athletic department.  It is a small school so outside participation  is slim.  I like basketball, but do not know a whole lot about the game.  I volunteered to be the timekeeper.  I understand when to stop and start the clock.  Bonus and double bonus , timeouts and 1 & 2 warning horns.  But I get totally confused with the Possession arrow.  Please help or point me toward a resource to help.  
 Thanks for reading!
 
 Josh
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