Self Defense instructor Jeff Patterson demonstrates the use of a pressure point on Mackenzie Souchon, 11, in the Girls on Guard self-defense class, Wednesday, Sept. 10, 2014, inside the Purdue Extension building at the Johnson County 4H Fairgrounds in Franklin, Ind. Patterson is an officer with the Indianapolis Metropolitan Police Department and a martial arts expert. Patterson taught the women how to strike attackers and break holds. Mike Wolanin / Daily Journal