A foundation repair piling made up of segments is post tensioned by a cable fed into the segments after the piling is installed. With means for illuminating the viewing area further provided around the magnifying window, the tool is stroked through the hair with the rake-like teeth passing in the direction opposite from the natural growth of the hair to provide an illuminated and magnified view of exposed skin area through the window as the hair is pulled back by the rake-like teeth. An external door is configured to form a seal surrounding the opening when the external door is in a closed position.