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The stitch:

* zigzag stitch should be selected
* stitch length = 2.5-3.0
* stitch width = 0.5

You essentially want a zigzag stitch that is so narrow, it looks like a straight stitch.

The twin needles create 2 parallel lines of topstitching and a zigzag stitch on the underside. The zigzag stitch helps maintain the stretchability in a knit hem.

For my example, I used a total of 3 different colored threads. When I hemmed my knit cardigan, I wound a small amount of the matching thread around a 2nd bobbin. So I ended up with one thread spool and 2 bobbins with the same thread.

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  • 4343a36d4466c6f353525bdc97ba571be3128723_large

    Dec 19, 2009, 11.21 AMby thecuriouskiwi

    Ohh I caution telling sewers to select the zig-zag stitch on their machine, please check your manuals. My machine stays on the straight stitch, needles centered and the bobbin zig-zags by itself. I’ve accidentally left my machine on zig-zag once and I dropped those needles right on the metal foot and snapped them straight off, which is a pretty specatular, very expensive and sometimes dangerous lesson to learn. If your manual doesn’t mention twin-needles then experiment carefully by turning the wheel by hand to test. I always do one or two hand turns to check clearance anyway, especially with wide set needles :)

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