comment: >
  
  Reading is fundamental.
  In 2007 the ATF decided the shoestring alone was not a machine gun.  It was only considered one when added to a semi automatic rifle in order to increase its rate of fire
context: I do not see a machine gun in that photo. Modified AR maybe? >
  
  Switches, breeches, or other devices intended to modify weapons to he able fire full-auto are considered machine guns, whether they are installed or not. >
  
  Shoelaces are machine guns.