NFL CMO Dr. Allen Sills explains importance of mandated guardian
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How one Mass. high school is using Guardian Caps
Guardian Cap Use a Concern for Watt, Saleh Early in Training Camp
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
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Guardian Caps', NFL's Most Recent Attempt At Preventing Head Injuries