IF say you are in your house or in your yard and your two bull dogs break into a fight, You can get a broom and use the wooden end to pry open their mouth. Some say you can spray them in the face with a hose... but I can't see how this will stop two dogs trying to kill one another. Another is pepper spray.... well Mace. Some people swear by it. There ARE other options. But the quickest and safest way is going to be a break stick.