The LG G Flex smartphone may have more going for it than just a curved display. The smartphone's true innovation sits within its frame. It has a "self-healing" cover.

YouTuber Marques Brownlee got his hands on one and put the cover to a test. He used his keys to dig into it, and the cover magically reformed any scrapes within minutes. Then he used a knife, and inflicted a gash that was removed when he applied a little friction.

Watch it to believe in the video below: [YouTube]