Design students Anna and Terese took on a giant challenge as an exam project. Something no one had done before. If they could swing it, it would for sure be revolutionary. The bicycle is a tool to change the world. If we use bikes AND travel safe: Life will be better for all.An invisible bicycle helmet is a symbol for the impossible. If you can swing it everything is possible. Anna Haupt and Terese Alstin took on a very special exam project at their southern Sweden design school seven years ago. An airbag bicycle helmet. In Malmö, Sweden everybody use bikes, if other cities in world would have the same amount of bikes on the streets we would live in a much better world. A greener and healthier world. The bicycle is a tool for changen. Bike safety will make more people use bikes, Anna and Terese believes. They want to save the world. A good thing.November 2011 the Hövding bicycle helmet was launched in Sweden. Now Anna and Terese has 20 employees and works hard to make their dream come trough.