Saw these links in a biking newsgroup and just had to pass them along:
Protect your head, and be stylish at the same time! - http://www.hovding.com/en/how/
If you need even more protection - http://www.safermoto.com/products/
The ultimate in protection - http://www.dirtybutton.com/pictures/1571-bike-airbag/
Ride safely folks...
Jean
