By: Anthony De Marinis, Certified Dog Behavior Consultant- IAABC, CBATI, VSPDT, TTWC, VSA-DT & Debbie Torraca, DPT, MSPT,  CCRP, Board-Certified Orthopedic Clinical Specialist Emeritus   Is it ok to play tug? As dog professionals, we are constantly asked if playing tug causes aggression. The