Geoffrey McGann, a southern California artist, was arrested at Oakland airport for wearing an assemblage sculpture/watch he'd made. The TSA were also worried because he had a lot of insoles in his shoes. He was eventually released on $150,000 bail.
OAKLAND, Calif. — A Southern California man was arrested at Oakland International Airport after security officers found him wearing an unusual watch they said could be used to make a timing device for a bomb, authorities said Friday… McGann told Transportation Security Administration officers that he's an artist and the watch is art, Nelson said.
(Thanks to everyone who suggested this!)