Helen Anzalone Gordon, creator of the “You Can Fight” app, packages 20 years worth of martial arts techniques and tips into a pocket-size sidekick.

One in four women between the ages of 18-24 will fall victim of sexual assault, according to the U.S. Department of Justice Crime Statistics. Gordon was listening to the radio when she heard the haunting statistic.

Gordon remembers one man calling in saying all of his female friends had, at some point, been sexually harassed or raped. Gordon hopes to change the statistic, or at least provide women with tools to fight back their attacker.

Read more at sundial.csun.edu.