4 ms·
This helmet - http://www.kraniums.com/ http://www.kraniums.com/ - mixes it up a bit from traditional materials - I would guess it would reduce the sort of injur
by robbiep 13y ago
This helmet - http://www.kraniums.com/ http://www.kraniums.com/ - mixes it up a bit from traditional materials - I would guess it would reduce the sort of injuries that cause concussion as well but I can't find any information on that
- pbhjpbhj 13y agoThe kraniums site have a claim of reducing impact related accelerations from 200g to 70g. It's also made from cardboard.