Worldwide there are 1.5 million elderly per year who suffer from a hip fracture. 1 out of 3 dies within the following year. 50% never re-attains the pre-fracture level of mobility. Wolk hip airbag is the solution. Wolk is a smart and invisible belt that elderly can wear underneath their clothing. Sensors in the belt register every movement 500 times per second. When the advanced algorithm recognizes a fall, the belt will inflate and protect the hip against injury – such as a hip fracture. In addition to protecting the hip, Wolk provides more freedom of movement and encourages frail elderly to live longer and safely at home.