NFL Players Experiment With 'Guardian Caps' to Protect Heads – NBC Connecticut
NFL executive hints that Guardian Caps could eventually be worn in games, along with position-specific helmets
If a player wanted to wear a Guardian Cap during a game, the league would prohibit it - NBC Sports
Guardian Caps Guardian Sports
NFL hopes to reduce head injuries with helmet experiment
NFL players don Guardian Caps, designed to protect from concussion
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With a little imagination NFL's new Guardian Caps take on different look in Cleveland: Crowquill
Reduces impact up to 33% One size fits all Insulates in hot & cold weather Fits both football and lacrosse helmets Connects to the facemask with 4
Guardian Protective Helmet Cover
The impact of 'Guardian Caps' on player safety
Park High School football blazes safety trail with Guardian Caps
NFL players experiment with 'Guardian Caps' to protect heads
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