Did you guys watch the release video of the helmet??
The accident removal is the front of the helmet is either pivoted up and over the face without moving the head of the patient at all or the hinge is released and the front section if removed entirely. The rear section is then left on the ground and actually cradles the patients head ready for the fitment of the neck brace.
Awesome design in principle and Im sure there will be alot more testing and evaluation in the future to see if the principle works in real life.
See the posted video show the QR label on the helmet that links paramedics to the procedure for releasing the helmet if they are unfamiliar?
Helmet Release EMS
http://www.vozzhelmets.com/