====== Tug of war ======

Is it safe?
  * [[http://thehyperpup.com/will-playing-tug-war-make-dog-aggressive/|Will Playing Tug of War Make my Dog Aggressive?]]
  * [[https://www.quickanddirtytips.com/pets/dog-behavior/playing-tug-of-war-with-your-dog|Playing Tug-of-War with Your Dog]]

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