Metal body, fabric skin
As Brian Suda says, the fabric skin makes you rethink the fundamentals of design. However, while the video notes that the outer metal shell isn’t actually required for crash protection, I did find bastardbrother’s comment on YouTube, that “when you get into a head on collision.. the skin of the car wraps on you and instantly turns into a body bag”, particularly amusing ![]()
Further reading
These posts may be related to the one above:

