A short, heads-up history of the Hockey helmet - Vintage Detroit Collection
Helmet holdouts: The last players not to wear helmets in the NHL - The Hockey News
28% of Hockey Helmets Unsafe | Canadian Legal News
:format(jpeg)/cdn.vox-cdn.com/uploads/chorus_image/image/20082597/20130923_kdl_ad7_005.0.jpg "NHL rule changes: Has the helmet loophole been closed? - SBNation.com")
NHL rule changes: Has the helmet loophole been closed? - SBNation.com
When and how did helmets become mandatory in hockey? - Quora
Hockey helmet - Wikipedia
Expanded Rule 48 may cause more confusion - Sports Illustrated
Explaining the NHL Rule Changes for 2023-24 Season | News, Scores, Highlights, Stats, and Rumors | Bleacher Report
NHL fighters will be penalized for removing helmets before brawl; pass or fail? - Yahoo Sports
What is the NHL's rule when a player's helmet comes off? Is the rule too ambiguous?
NHL: Obscure Rule Lets Paul Deutsch Go Pro for 24 Hours - WSJ
K-Wings propose mandatory neck guard rule after former NHL player's tragic death | WWMT
NHL Rule Changes That Would Make Hockey Great Again
Why did NHL take 'targeting' out of Rule 48 illegal check to head penalty? - Yahoo Sports
Sidney Crosby slams helmet rule after Penguins' Game 7 loss
Did ice hockey players actually not wear helmets until the 1970s-1980s? - Quora
NHL imposing stricter enforcement of cross-checking rule for 2021-22 season, cross check in hockey
When Did the NHL Require Helmets? We Explain The Hockey Helmet Rule
GMs approve concepts for rule changes regarding player safety, offense | NHL .com
NHL will require helmets for warmups
USHL reacts to Dylan Chanter injury: 'The rule did not protect the player'
Hats on: New NHL rule will eliminate the 'old school' tradition of going helmetless during warmups
Quirk in the N.H.L. Visor Debate: Fighters Get Penalized - The New York Times
NHL rewrites rule to clarify headhunting – NBC Sports Philadelphia
