The symmetry of social play in Canids has been previously studied. especially in wolves. free-ranging dogs. and within mixed-aged groups. https://www.bekindtopets.com/flash-grab-DuramaxTuner-DT8170010101080-Switch-on-the-Fly-Tune-incl-EFI-Live-Spade-cDuramax-LWN-flash-save/