When paired with a jig, you can cut a straight line in a board or piece of wood using a circular saw. Use a jig to cut a straight line with a circular saw 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.