Portable Airbag for Cyclists

We all know it's dangerous to ride a bicycle without wearing a helmet. However there are many people riding their bicycle with no helmet. Some of them don't like a helmet spoiling their hairstyle, annoying them with its tightness, or disturbing to require carrying it around. Hovding can fix all those problems. It is essentially a portable airbag for a bike rider. Check out their demo video to see how it work.