NFL September 6, 2024 4:02 pm What is the Guardian Cap on football helmets? Some players have started wearing a special protective covering over their helmet called the Guardian Cap. Here’s what it does. US & World Videos 1:05 En video: sospechosos de violento ataque en Chinatown 1:09 Harvey Weinstein pleads not guilty to additional sex crimes charge 1:45 ‘Become a bomb maker.' Officials release new details on teen terror suspect 1:22 What is the federal interest rate, and how does it impact me? 2:35 Singer Lasso's first solo US tour will transport fans inside a ‘museum' of exes