How to Knit k2tog tbl (Knit 2 Together Through the Back Loop) for Left-Leaning Decreases

Originally published on February 8, 2025

The "knit two together through the back loop" (abbreviated as k2tog tbl) is a beginner-friendly knitting technique used to create a left-leaning decrease. This method is an alternative to the more commonly used slip, slip, knit (SSK) decrease.

k2tog tbl

In this blog post, you will learn:

• What is k2tog tbl is

• How to knit k2tog tbl

• A comparison of k2tog tbl with the SSK

• Tips for k2tog tbl

• Common uses in knitting patterns

• FAQ: k2tog tbl (Knit 2 Together Through the Back Loop)

What is k2tog tbl?

K2tog tbl involves knitting two stitches together through their back loops, resulting in a single stitch. This creates a left-leaning decrease with a slight twist, which can add texture to your knitting. It’s often used in patterns where twisted stitches are desired or when a left-leaning decrease is needed.

For example, I used this decrease together with its right leaning counterpart, the knit two together, in the Zipper Sweater pattern, to shape the sleeves.

How to Knit k2tog tbl Step-by-Step

Follow these steps to work the k2tog tbl decrease:

1. Insert the right-hand needle into the back loops of the first two stitches on the left-hand needle, from right to left.

2. Wrap the working yarn around the right-hand needle.

3. Pull the yarn through both stitches, creating a single stitch.

4. Slide the two original stitches off the left-hand needle.

That’s it! With a little practice, you’ll find this technique quick and easy to learn.

Insert the right-hand needle into the back loops of the first two stitches on the left-hand needle, from right to left.	Wrap the working yarn around the right-hand needle.	Pull the yarn through both stitches, creating a single stitch.

Slide the two original stitches off the left-hand needle.

K2tog tbl vs SSK Comparison

K2tog tbl is one of several ways to create decreases in knitting. Here’s how it compares to other common methods:

• k2tog tbl vs. SSK: Both are left-leaning decreases, but they differ in appearance and technique. K2tog tbl creates a twisted stitch, while SSK does not. Some knitters find k2tog tbl faster and easier because it doesn’t involve slipping stitches. However, SSK is often preferred for a neater, flatter appearance in stockinette stitch.

• k2tog tbl vs. Knit Two Together (k2tog): The key difference is the direction of the slant. K2tog tbl is worked through the back loop and produces a left-leaning slant, while k2tog is worked through the front loop and produces a right-leaning slant. But overall, these two decreases are very similar

The choice between these decreases depends on the desired look and the pattern requirements.

On the left, you can see the k2tog decrease, which leans to the right. On the right, I worked a k2tog tbl decrease, which leans to the left and creates a twisted stitch at the base. For this swatch, I used 100% cotton yarn.	For comparison, an SSK decrease; it has a completely different appearance.

Tips for k2tog tbl

Here are some tips to help you perfect this technique:

• Use sharp-pointed needles: This makes it easier to insert the needle through the back loops.

• Maintain consistent tension: Avoid overly tight or loose stitches for a clean finish.

• Practice on a swatch: Get comfortable with the motion before incorporating it into a project.

Common Uses for k2tog tbl

K2tog tbl is a versatile technique that can be used in a variety of knitting projects. Here are some common applications:

• Lace Knitting: To create directional decreases in lace patterns.

• Shaping Garments: For armholes, necklines, and other shaping areas.

• Twisted Ribbing: To maintain the twisted appearance in ribbed patterns.

• Decorative Texture: The twisted stitch can add subtle texture to your work.

Whether you’re working on a sweater, shawl, or pair of socks, k2tog tbl is a handy tool to have in your knitting repertoire.

K2tog tbl

FAQ: k2tog tbl (Knit 2 Together Through the Back Loop)

What does k2tog tbl mean in knitting?
k2tog tbl stands for “knit two together through the back loop.” It’s a decrease technique that produces a left-leaning, slightly twisted stitch.

How is k2tog tbl different from SSK (slip, slip, knit)?
Both k2tog tbl and SSK are left-leaning decreases, but k2tog tbl creates a twisted stitch, while SSK is flatter and neater. Some knitters find k2tog tbl faster, while SSK may blend better into stockinette stitch.

When should I use k2tog tbl instead of other decreases?
Use k2tog tbl when a pattern calls for a left-leaning decrease with a bit of texture or a twisted look, often in lace, twisted rib, or decorative edges.

Is k2tog tbl beginner-friendly?
Yes! This decrease is easy to learn with a little practice and is great for knitters of all skill levels.

Do I need special needles for k2tog tbl?
It’s helpful to use sharp-pointed needles, as they make it easier to insert through the back loops. Any standard knitting needles will work, but sharper tips can help, especially with tight stitches.

Can I substitute k2tog tbl for SSK in a pattern?
In many cases, yes, but keep in mind the stitch appearance will be slightly different. Always swatch to check the look, especially for visible edges.

Where is k2tog tbl commonly used?
k2tog tbl is often used for garment shaping, lace knitting, twisted rib patterns, and anywhere a left-leaning, twisted decrease is desired.

Conclusion

K2tog tbl is a versatile and beginner-friendly decrease that creates a left-leaning, twisted stitch. It’s a great alternative to SSK, especially in patterns that call for twisted stitches or when a decorative texture is desired. In my personal opinion, this is one of the easiest left-leaning decreases to learn, making it perfect for knitters of all skill levels. I personally do not like how it looks when paired with the right-leaning knit 2 together. Therefore, I would recommend working an SSK together with a Knit 2 together for a more balanced appearance.

So grab your needles, give it a try and you will see how much fun it is to learn this technique! If you have any further questions or more tips regarding the k2tog tbl, then leave them in the comments below!

Until then, happy knitting!

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