There are also new rules in place thanks to NHL Senior Vice President of Player Safety and Hockey Operations Brendan Shanahan and NHLPA Special Advisor Mathieu Schneider. The two biggest rule changes concern Rule 48 — illegal checks to the head and Rule 41 – boarding. Also, spring-loaded curved glass will be in place next to the team benches instead of the padded stanchions that were in place during Zdeno Chara’s hit on Max Pacioretty last season. Other minor changes include testing shallower nets in preseason games and implementing a new policy on social media outlets like Twitter. Here is the video explanation of the rules changes