 Strong thunderstorms and straight-line winds raked across Chickasha, creating some damage overnight. The National Weather Service reports winds of 70 to 80 miles an hour and hail between ping-pong and tennis ball size hit that area. Only a handful of stores have them now, but it's a sales tool that is likely to spread. Radio Oklahoma's Bob Sands tells us what we're talking about. Automated ammunition vending machines have recently been installed inside several Oklahoma grocery stores.