- EMP cannon. Mount one of these babies on your trunk and eliminate that tailgating problem.
- Shock Cannon and here is how to get that solicitor off your porch.
- Vortex Cannon video. Probably a bit more powerful than I ever thought about building at Halloween.
[...] — http://theludwigs.com/2010/01/cannon-roundup-emp-cannon-shock-cannon-vortex-cannon/ [...]