Countless Hollywood horror flicks have demonstrated the efficiency of chain saws
when it comes to raw killing power. But unless you have the upper body strength of the Hulk, one or two chainsaw-assisted beheadings will leave you with little more than flailing gummy-arms. In his best-selling book The Zombie Survival Guide
, author Max Brooks points out that the noise of chain saws and other power tools might also alert nearby zombies to your presence. "A chain saw's distinctive roar, even if running for just a few seconds, will be enough to broadcast to every zombie within earshot that 'Dinner is served!'"