Check your toolbox after this story to make sure you have the innovative hand tool that was invented in DeWitt a century ago. The VISE-GRIP, or locking plier calls Nebraska home. Nebraska Public Media producer Andy Hermann has the gripping story. Guests, in order of appearance: Kirby Taylor, Program Chair, Precision Machining and Automation Technology, Southeast Community College; Marcia Bergmeyer, granddaughter of William S. Petersen; Joyce Holtmeier, granddaughter of William S. Petersen; Larry Wattjes, former mechanical maintenance engineer, Petersen Manufacturing; Lois Wattjes, Vice President, DeWitt Historical Society.