Buy it if you cut metal for a living. Borrow it if you only need it once. But whatever you do, never look directly into the nozzle.
Network administrators use it to ensure their hardware is patched against known WPS flaws. Wireless Air Cut -Waircut- 2.0 Portable
This article dives deep into the engineering, the applications, and the revolutionary potential of the most dangerous—and useful—tool you will ever own. Buy it if you cut metal for a living