Transporting oversize material is a problem even if you have a ladder rack on a full-size pickup. Lifting lumber overhead is strenuous and the high center of gravity transforms every curve in the road into an adventure. An alternative is the Extend-It, a three-piece, knock-down accessory that uses the strength of the tailgate to hold long loads. After initial setup, which requires drilling two holes in the end of the truck bed (the manufacturer supplies a template to locate the holes), Extend-It takes less than a minute to assemble or disassemble and adds about 5 feet to the length of your truck bed. The two rectangular tubular steel rails cantilever off the end of the truck bed, secured with