London. Cater for people unwilling to wear a bicycle helmet because it is the destruction of her carefully coiffed hair, the main contribution, the new invention with the airbag in the collar is certainly a good alternative! The "Hvvding" consists of a nylon bag and jump in a crash within 0.1 seconds off the collar, wraps around the head and neck. Thus, the sensitive parts of the body are at least well protected in a crash.
