(Guitar Reference).
Flying V, Explorer, Firebird tells the story of those first peculiar instruments and goes on to describe Gibson\'s second attempt at nonstandard.
Suddenly, Gibson turned conventional design upside down, almost literally, by using straight lines and angular body shapes, changing the way electrics could look and, in the process, creating a set of rare future collectables.
Until the launch of the Flying V and Explorer in 1958, Electric Guitars were supposed to look like...guitars. (Guitar Reference)