Jackie Jory demonstrates what a 120-pound teenager can do to protect herself against an attacker when armed with defendo as she flips instructor Dave (...)

Original Toronto Star caption: Jackie Jory demonstrates what a 120-pound teenager can do to protect herself against an attacker when armed with defendo as she flips instructor Dave Black to the ground. William Underwood of Toronto developed the system which enables anyone from nine to 90 to protect himself against an attacker. It works by applying pain a pressure points through manipulating one of five basic [Incomplete]