Large Bubble Helmets Are Guardian Caps, NFL's New Safety Measure
NFL hopes to reduce head injuries with helmet experiment
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The Philadelphia Inquirer on X: Wondering why Jason Kelce was photographed Friday with bubble wrap around his helmet? It was his personal spin on a new piece of headwear called the Guardian
Eagles players on Guardian Caps: 'We look a little goofy,' but all for safety
The Eagles played a dirty trick on the Giants. But the NFL is a squalid place, NFL
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The 2023 Uni Watch NFL Season Preview - by Paul Lukas
The Eagles played a dirty trick on the Giants. But the NFL is a squalid place, NFL
Puffy, spongy Guardian Caps could help curb NFL head injuries - The Washington Post