Polo Strategy Intensive: Knock-Ins | The PoloSkilz Network September 3 Published in Educational, Instructional, Informative Hits: 30989 Print, Horseman, coach and two-time winner of the US Open Polo Championship, Corky Linfoot, does a deep dive on knock-ins exclusively for the PoloSkilz Network. He explains his overall philosophy on knock-ins and diagrams several set plays. < Prev Next >