Transform small and inexpensive area rugs (these are only $4) into a full-length runner. All you need is a needle and thread. Using a whipstitch, hand-sew four 22-by-33-inch carpets together along their horizontal sides, then knot the thread securely at the end of each seam. The result? One sleek piece -- more than seven feet long -- that's truly greater than the sum of its parts.