A North Central Florida inventor has found a way to straighten out that which is crooked. Its an invention designed to see through walls. It has nothing to do with a day out on the lake...but the "Wallfish King" could make certain jobs go faster so handymen can spend more time out on the lake. In the Technology Spotlight, inventor Bill Rockett of Williston shows TV 20's David Snyder how the Wallfish King works.