ST. PETERSBURG, Fla. — Being out in public can make older adults with mobility problems feel vulnerable, but one city is stepping up to help those adults feel safer by teaching them this unique form of self-defense.

At the Sunshine Center in St. Petersburg, Florida, these senior citizens are learning "Cane-Ki-Do."

They use their canes — wooden canes, which are more effective than metal — to fend off a potential attacker.

Cane-Ki-Do is a smart, effective self-defense method taught by Bryant and Leotte Harrell, husband-and-wife safety and security specialists for the city.

Continue reading on Fox13Now.com.