Some think the extra layer makes a positive difference while others believe it could have a negative effect.
Puffy, spongy Guardian Caps could help curb NFL head injuries
NFL CMO Dr. Allen Sills explains importance of mandated guardian
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Puffy, spongy Guardian Caps could help curb NFL head injuries
NFL CMO Dr. Allen Sills explains importance of mandated guardian
Why are NFL players wearing padding on helmets at training camp
NFL Guardian (Caps) Of The Preseason Galaxy Safety Impact:, 53% OFF
Why are NFL players wearing padding on helmets at training camp
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Guardian Cap debuts during minicamps in effort to reduce avoidable
FMIA: Steelers Coach Mike Tomlin Welcomes Training Camp Tour To
Coverage of the NFL in Guardian Caps
High School Football Blogs — 5 Star Football Package
Coverage of the NFL in Guardian Caps
NFL CMO Dr. Allen Sills explains importance of mandated guardian