I would imagine it is a rearview mirror that is capable of being folded.

Calvin "wise cracking tonight.. whoo whoo"

p.s. I would have to say that you're a fool to say the ONLY SHAPES IN COMMON between the old and new bugs are the headlights and wheel wells. the design vocabulary in common between the two cars is enormous and any person off the street can be pressed into identifying the huge similiarities in SHAPE between the two cars. (The position of the engine plays no role in the shape of the car.) Ha ha! nice try...

p.p.s. mac is the other guy ;)

p.p.p.s. safety is not big on my list of requirements on a car. that's why i feel ok driving a ragtop. vroom.