A jointer is a device used to flatten out the surface of a piece of wood or a board. Learn how to use a table saw as a jointer with help from a home remodeling expert in this free video clip. Expert: Dave Trull Bio: Dave Trull has been in the woodworking business for more than 18 years, and he started the Trull Gallery, a custom furniture shop, in 1991. Filmmaker: Christopher Rokosz Series Description: As you work around the house, you may be required to use a variety of objects in the application of general woodworking. Learn about woodworking around the house with help from a home remodeling expert in this free video series.