Extras. information: PDV host Rob Pincus is joined by several experts on this comprehensive DVD covering Electrical and Chemical Defensive Options. First, David Nance of Sabre Defense Sprays explains the science behind the types and strengths of chemicals that are available for defense. Next, Gary Sikorski of Reasonable Force Training explains how Chemical Sprays should be used to defend yourself in a variety of circumstances. Both David and Gary also discuss the limitations of relying on Chemical Sprays and the best options for a variety of different situations. In the Electrical Defensive Devices portion of this video Rob is joined by Gary Meares of DGG Taser to discuss the history of electrical defense tools and the evolution to today's potent options. Gary also teaches a student how to use the latest Taser ™ C2 civilian self-defense device and the DVD culminates with that student using a live C2 against Rob Pincus during a simulated attack! Afterwards, Rob and Gary discuss the exact effects of the device.