A sl1-k2tog-psso (slip 1, knit 2 together, pass slipped stitch over) is a double decrease, meaning it decreases 2 stitches from the total stitch count. It is a directional decrease and it leans left.
It is worked in 3 steps, as you might imagine from the abbreviation sl1 …. k2tog ….. psso.
How to work sl1-k2tog-psso in 3 easy steps
- Slip one stitch, knitwise, from the left hand to the right hand needle (for more information on slipping stitches, check out this post here)
- Knit the next two stitches on the left hand needle together (here’s how to work a k2tog),
- Using the left hand needle tip, lift the slipped stitch up and over the k2tog, and let it fall off the right hand needle tip.
Working a sl1-k2tog-psso decreases the stitch count by 2 stitches, because you have effectively gathered three stitches together into a single stitch. If you work a series of sl1-k2tog-psso (every other row) stacked on top of each other, you create a left-slanting line.
Pretty lace patterns from Tin Can Knits:
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