That's the first look at the NFL's initial attempts at on-field safety for their players. The face shield would attach to helmets the same way that other visors attach to the helmet. According to ESPN's Tim McManus says:
The Oakley Mouth Shield -- a product designed by Oakley in collaboration with doctors and engineers from the NFL and NFL Players Association to mitigate the spread of the coronavirus on the field of play -- is expected to be distributed to all 32 teams over the next week, when it will receive a test drive on a much larger scale than it has gotten to date.
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