Can someone point me to a place that sells the "head nets" that go down the middle of the race car interior, which are supposed to prevent severe head motion in that direction?

Can anyone point me to any data about these systems?

Thanks, Dave

Safety Solutions is one. See my recent post, here:

http://forums.bimmerforums.com/forum/showthread.php?p=5263370&postcount=29

The SAE paper is worth the $$$.