The North American Hardcourt Bike Polo Association (a.k.a NAH) has proposed a new Obstruction rule for the 2015 tournament season. They will be testing out the rule this weekend at the Great Lakes Winter Classic in Toronto. We look forward to hearing how it works out.
In the mean time, be sure to familiarize yourself with the potential new rule. You can find the latest draft as well as some GIF examples (Thanks Mr. Do!) below: