In under-linen, it often so happens that two selvedges meet at the slit, which renders binding unnecessary; in that case take a small square of stuff, turn in the raw edges, top-sew it into the slit on two sides, turn in the other two, fold over on the bias, and hem them down over the top-sewing, as shewn in fig. [36]. Such little squares of material, inserted into a slit or seam, to prevent its tearing, are called gussets.
Sewing on piping (fig. [37]). Piping is a border, consisting of a cord or bobbin, folded into a stripe of material, cut on the cross, and affixed to the edge of an article to give it more strength and finish. It is a good substitute for a hem or binding on a bias edge, which by means of the cord, can be held in, and prevented from stretching. Cut your stripes diagonally, across the web of the stuff, and very even; run them together, lay the cord or bobbin along the stripe, on the wrong side, 5 m/m. from the edge, fold the edge over, and tack the cord lightly in. Then lay it on the raw edge of the article, with the cord towards you, and with all the raw edges turned away from you. Back-stitch the piping to the edge, keeping close to the cord. Then turn the article round, fold in the raw outside edge over the others, and hem it down like an ordinary hem.
Fig. 37. Sewing on piping.
Fixing whale-bones (fig. [38]).—Before slipping the whalebone into its case or fold of stuff, pierce holes in it, top and bottom, with a red hot stiletto. Through these holes, make your stitches, diverging like rays or crossing each other as shown in fig. [38].
Fig. 38. Fixing whale-bones.
Herring-boning (fig. [39]).—This stitch is chiefly used for seams in flannel, and for overcasting dress-seams, and takes the place of hemming, for fastening down the raw edges of a seam that has been run or stitched, without turning them in. Herring-boning is done from left to right, and forms two rows of stitches. Insert the needle from right to left, and make a stitch first above, and then below the edge, the threads crossing each other diagonally, as shewn in fig. [39].