The Pineapple is meant to be used only "in authorized security audits," says its documentation.
The USB Rubber Ducky, which retails for $59.99, is another penetration-testing tool. Billed as, "the most lethal duck ever," it's designed to deliver payload scripts for further security testing.
At Defcon, Moser showed off a collection of obsolete but otherwise functional communication devices.
Here, he shows off the lightweight TiGr bicycle lock, which got its start as a Kickstarter project.