NFL's use of Guardian padded helmet caps in camp draws support and

Some think the extra layer makes a positive difference while others believe it could have a negative effect.

Guardian Caps: NFL requires use of helmet cover at training camps

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First quarterback-specific helmet designed to reduce concussions

Here is a closer view of the Lions new alternate helmets and man they are clean.

NFL training camps: Guardian Cap players are wearing over helmets, why

The story behind those soft-shell puffy Guardian Caps players have

NFL training camps: Guardian Cap players are wearing over helmets, why

Shane Lemieux - NFL Offensive guard - News, Stats, Bio and more - The Athletic

Guardian Caps Guardian Sports

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What's with padded helmet caps teams are wearing

Touch Football, Sold As Safer, Now Requires A Helmet The, 45% OFF

Seeking to reduce head contact, NFL mandates use of Guardian Cap helmet for early portion of training camp - ESPN