If a bicycle helmet is not well selected in size of the head, it can pose an even greater danger than driving without it at all. A group of designers in Huang Tai-Shun, Hsu I-Ting, Mao Chung-Huai and Cheng Yune-Yu proposed a solution in the form of a built-in inflatable pillow, which should closely fix the head inside the helmet.
Gallery: A helmet with a pillow (6 photos)
Source: Yankodesign