Approximately 16.000 Dutch citizens and 1.5 million people a year break their hip, of which 1 in 4 dies of the consequences. WOLK is an invisible airbag belt when worn with normal clothes. It incorporates a falling detection system, based on an algorithm of motion data using sensors, and airbag technology. When a fall is detected the airbag inflates, preventing impact. By using this technology, elderly people can stay mobile an independent for a longer time and they will have less fear of falling.