Maybe it would look like a mushroom more, but it would be made of the stuff of umbrellas and responsive to both parties shoulders. Tiny sensors at each node would actuate solar powered motors that would in turn maintain optimal discreetness.

Creepy? maybe but it's not as bad as before, eh? YOU decide. Introducing barbrellas. Pop one up when you and your special lady wanna get lovely out at the sushi boat land or the latest nightclub.
-- daseva, Feb 06 2009

Barbarella http://www.imdb.com/title/tt0062711/
Very special lady [Noexit, Feb 06 2009]

random, halfbakery