https://www.techradar.com/news/this-crazy-case-design-is-like-an-airbag-for-your-smartphone

A new patented design by a 25-year-old German university student could revolutionize the smartphone case industry with its fresh new take on a portable air bag.

Philip Frenzel has devised a solution to the inherent problem with phone cases – if they’re genuinely protective then they will add considerable heft and bulk to your device, while elegant and sleek designs offer little in the way of protecting your device if you drop it.