Even the makers of the Guardian Cap admit it looks silly. But for a sport facing an existential brain-injury crisis, once unthinkable solutions have now become almost normal.

Here is an older press release from Lear on the subject. FYI - they also had a soybean oil based foam football on display. That makes me wonder what the current foam footballs are made from.

Unfortunately, and we’re not quite sure when, they ended up changing out the Jugs machine for an air cannon, which resulted in the use of foam footballs and the loss of throwing factors such as ...