It's 26cm long, with a 8cm edge, and masses 80g. It's got a strip the hair off the back of your arm edge. The TSA x-rayed the jacket it was in. Twice. At two different airports. And missed it both times.
And yet these keystone kops continue to look for bombs in shoes, strip search little old ladies, and confiscate nailfiles.
What are they good for, exactly, again?