Overview: Tom shows Kevin how to remove bolts and screws with stripped or damaged heads. Roger visits homeowner Lauren Speisman of Waltham, Massachusetts, to help create an edge along a concrete walkway using jumbo cobblestones. Back in the loft, Tom, Roger, Kevin and Richard ask, ""What Is It?"" as they identify unknown objects. Then Tom heads to Wenham, Massachusetts, to help homeowner Francine Molay jack up the roof of her front porch and fix a rotting post. More Info & Resources