Arrested development, S3E11
George: ... The prosecution is going to want to have access to the hard drive, so I just want to make sure everything is nice and clean for them.
Michael: What the hell is that thing?
George: An electromagnet. Think of it as a giant delete key.
..
Lucille enters. Her necklace is ripped from her and snaps to the electromagnet across the room.
Lucille: That’s not a real gold necklace, is it?
George: Well, it wasn’t really your 50th birthday.