A variation of the Herringbone stitch is the Double Herringbone, also known as the Indian herringbone stitch. It consists of two rows of herringbone, one interlaced into the other. The Double Herringbone is worked a little differently from the ordinary Herringbone Stitch, and the two rows form the basis for interlacing stitch. Instead of the threads crossing under and over alternately as that of ordinary Herringbone, all the same threads are on the top (see figure #1).
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After each stitch on the top line is worked, the needle is slipped under the last thread instead of over it, as shown by the arrows. The stitches must be spaced far apart to leave room for the next row.
When working the second row, the thread is slipped from the bottom, under the long thread of the first row, to produce the interlacing, (see figure #2).
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Double herringbone may be worked in one color, (see figure #3), or for a more decorative effect, in two different colors (see figure #4).