50
An NFL-issue Liddell helmet.
Touchdown
illegal.
Riddell-The official football helmet of the NFL
no
34 to 100
100
The Clevland Browns still do not have a logo on thir helmet
To prevent concusions in the NFL. Too many players were getting hurt.
A throat microphone is an audio device that is strapped to the throat to allow sounds to be picked up. A throat microphone is used inside of a helmet in noisy places like on a motorcycle or jet.
In the NFL yes.