Seth Froom was the victim of a violent robbery last summer. His response was to create the Yellow Jacket, an iPhone case crossed with a Taser. The project is currently up on Ingiegogo for fundraising.
As far as stun guns go, the Yellow Jacket makes sense in that you are likely to have it with you at all times, in a convenient place where you can reach it when you need it.
However, you might be nervous about having 650,000 volts of electricity surging around your phone. Froom says that tests of the prototype have shown that calls stay connected during discharge. … Read more