Have you had a chance to look at this here: $SFBR - The Safebrain CIA sensor attaches to the back of any helmet in any sport for monitoring, recording and analyzing head trauma. The data from the impact can then be further analyzed via computer showing the g-force of the trauma and other factors for suitable and proper evaluation. The unit will be sold individually in stores, online and through our sales force. For more information or to order our product please visit the Safebrain website at
http://www.safebrain.ca.