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Central Double Decreases: sl2-k1-p2sso and sl2tbl-p1-p2sso

January 21, 2016

A central double decrease eliminates 2 stitches in a symmetrical way (thus ‘central’ and ‘double’).  It results in a strong vertical decrease line that doesn’t slant to the left or the right, the way that the decreases k2tog, ssk, or sl1-k2tog-psso do.

Bounce Blanket by Tin Can Knits

In the lace pattern shown above (the Bounce Blanket), central double decreases are worked both on RS (right side) and WS (wrong side) rows.  So grab the pattern and get started!  While these stitches may feel awkward at first, by the time you are done, you’ll have had enough practice to be very comfortable working a central double decrease on either side of the work.

how to sl2-k1-p2sso – slip two, k1, pass 2 slipped sts over – a central double decrease worked on the RS

 

Step 1: Slip the next 2 sts at the same time, as if to k2tog, that is, inserting the RH needle tip into the front of the second stitch first, and then the first stitch before slipping these two, at the same time, from the LH to the RH needle
Step 2: Knit the next stitch
Step 3: Lift the 2 slipped sts up and over the knit stitch and off the needle

 

how to sl2tbl-p1-p2sso – slip two through back loops, p1, pass 2 slipped sts over – a central double decrease worked on the WS

 

Working this decrease is a little trickier, but with a little practice will become easy.  In order to slip the stitches through the back loop, you’ll need to turn the work over so you can see the front side of the work, as you are inserting your needle from that side.

Step 1: Slip the next 2 sts at the same time, from the back of the work, inserting the RH needle tip through the back of the second stitch first, then the back of the first stitch, then slipping the two stitches, at the same time, from the LH to the RH needle (I find I have to flip the work so I can see the knit side in order to do this)
Step 2: Purl the next stitch
Step 3: Use the LH needle tip to lift the 2 slipped sts up and over the purl st and off the needle (reach behind the purl stitch, and insert your LH needle tip into the slipped sts on the back / knit side of the work)

 

Gothic Lace Cowl Swatchother lace tutorials

We’ve got tutorials that cover a wide range of other knit increases and decreases used in lace patterns:

  • yo (yarn over, an increase that creates a hole in the fabric)
  • k2tog (knit two together, a right leaning decrease)
  • ssk (slip-slip-knit, a left leaning decrease)
  • sl1-k2tog-psso (slip 1, k2tog, pass slipped stitch over, a left leaning double decrease)

Or browse our complete list of techniques and in-depth project-based tutorials on our HELP! page.  If you’re new to lace, I’d suggest starting with our free pattern, the Gothic Lace Scarf or Cowl, you can learn all the steps in our ‘Let’s Knit Lace’ tutorial.

Share this tutorial with a friend, or join in our Learn Something New KAL running till end of February 2016!  There are great prizes…

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Lovely Lace from TCK:


Vivid Blanket by Tin Can KnitsLow Tide Cardigan by Tin Can KnitsLodestar Stole by Tin Can Knits

8 Comments leave one →
  1. Pat permalink
    May 14, 2016 1:08 pm

    I like all your tutorials…very simple to follow. Thank you

  2. Pat permalink
    May 14, 2016 1:05 pm

    When I do a yarn over, does it change the pattern if I do it from front or back yo??

    • May 15, 2016 3:31 am

      Yep, you need to move the yarn around your left needle, bringing the yarn to the front betweetn the needles then over the right needle to the back.

  3. Paulette Arnst permalink
    March 10, 2016 4:02 am

    Hello, I have purchased most, if not all patterns from Max and Brodhi’s Wardrobe. I have been searching my library on Ravelry for the pattern Rocky. It does not come up. How do I access the patterns I have purchased from you? Paulette.

    P.S. Enjoy your emails very much. Love following what you do.

    Sent from my iPad

    >

  4. Ingrid permalink
    January 27, 2016 4:41 am

    The Bounce Blanket is gorgeous! I could imagine applying the pattern to a shawl. If I am able to make this within a couple years, I can die a happy knitter ;) Awesome work!

  5. January 22, 2016 8:21 am

    That blanket is beautiful and is now on my Knitting Bucket List. Getting more confident with lacework is one of my goals for 2016, so thank you for the gothic lace tutorial (also beautiful)! I can’t wait to practice! Happy knitting! :)

  6. Margo permalink
    January 21, 2016 10:15 am

    Thanks for this tutorial! I just had to look this decrease up this past weekend when I realized I was doing it wrong. :)

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