Canadian Mixed Martial Arts fighter Shawn Tompkins (right) teaches a right hook during a training session. He emphasized starting with a jab and punching with the shoulders. Joanna Kao—The Tech May. 9, 2016 Facebook Twitter Reddit Print Canadian Mixed Martial Arts fighter Shawn Tompkins (right) teaches a right hook during a training session. He emphasized starting with a jab and punching with the shoulders. Joanna Kao—The Tech