A tragic incident involving Adam Johnson, a former Hibbing High School star, led to significant changes in hockey culture. Johnson's death occurred three years ago after he was struck in the throat by a skate. This horrific event has had a lasting impact on the sport.

Neck guard rules have undergone rapid changes in response to Johnson's death. The rules are now mandatory at most levels of hockey. The shift in policy is a notable development in the sport's culture, which has been described as "stubborn".

Further details about the changes in hockey culture and neck guard rules are available, providing insight into the sport's response to Johnson's tragic death.