What in the world...?

...is this sound? I must identify Noise 3 a href="http://www.1043myfm.com/pages/whatsthat/" rel="nofollow"http://www.1043myfm.com/pages/whatsthat//a The clicks are driving me mad. Here's a list of what it's NOT: dolphin, sewing machine, typewriter, adding machine, fingernails tapping, chattering teeth, horse, handcuffs, binder, electric stapler, keyboard, retractable cord, game board part.