50 () posted 1 year ago by Temujin_and_tonic 1 year ago by Temujin_and_tonic +51 / -1 37 comments share 37 comments share save hide report block hide replies
Helmets don't really do a good job preventing concussions. They are meant to protect from skull fractures. Which was how a lot of football players used to die, before Teddy Roosevelt mandated helmets.