Crochet Lesson: Yarn Over vs. Yarn Under

Whether you’re just picking up your crochet hook or you're a seasoned maker exploring advanced stitches, you'll often come across two essential techniques: Yarn Over (YO) and Yarn Under (YU). These two methods play a fundamental role in stitch formation and directly impact the texture, height, and density of your crochet fabric. They are basic yet play an important role. Understanding both the techniques and their difference strengthens In this blog, we’ll break down each method, walk you through the steps, explain their differences, and help you choose the right approach for your next crochet project.

Whether you work with single-ended crochet hooks or choose to explore the Tunisian craft with the unique Tunisian crochet hooks, both techniques of yarn over and yarn under

Yarn Over (YO): The Classic Approach

The yarn over, often abbreviated as YO, is the traditional and most commonly used technique in crochet. As the name suggests, it involves wrapping the yarn over the hook to create a loop and form a stitch.. It's the foundation for all basic crochet stitches.

How to Yarn Over (Step-by-Step)

1. Position the Yarn: Hold the working yarn in your non-dominant hand, wrapping it around your fingers for tension.
2. Insert the Hook: Place your hook into the stitch space or chain where the new stitch will be formed.
3. Wrap the Yarn: Move the yarn over the hook from back to front.
4. Draw Through: Pull the yarn through the loop(s) on your hook to complete the step.

Where to Work Yarn Over:

Basic crochet stitches: Whether it's basic single crochet stitch (SC) or half treble crochet stitch (HTR),  US or UK crochet abbreviations, yarn over is generally used for the stitches that form the foundation for countless projects. Yarn over is used to create the loop that becomes the base of the next SC. For taller stitches, you basically repeat the yarn overs.

Granny Squares and Motif Work: Yarn over is essential for creating the basic corner unit in crocheting granny squares and many other motif-based crochet projects.

Yarn Under (YU): The Alternative Approach

Yarn under (YU) might seem like the opposite of yarn over, but it's a distinct technique with its own applications. It’s a lesser-used alternative to yarn over. Instead of looping the yarn over the hook, you position it under the hook. This subtle change results in a tighter, shorter stitch and denser fabric.

How to Yarn Under (Step-by-Step)

1. Hold the Yarn: Keep the working yarn in your non-dominant hand as you normally would.
2. Insert the Hook: Insert your hook into the stitch or space.
3. Position the Yarn: Move the yarn under the hook, keeping it between the hook and your thumb.
4. Pull Through: Draw the yarn through the loop(s) to complete the stitch using YU.

Applications of Yarn Under:

• Amigurumi: While yarn over is more common, yarn under can be used for SC to create a denser fabric. This is particularly helpful for crocheting amigurumi (stuffed crochet toys) or projects requiring a firmer structure.
• Tunisian Crochet Stitches: This technique involves inserting the hook multiple times into the same loop, creating a unique fabric. Yarn under is often preferred for even basic Tunisian crochet stitches.
• Textured Stitches: Certain textured or decorative crochet stitches might specifically call for yarn under to achieve the desired effect.

A Quick-Glance At the Comparison between Yarn Over and Yarn Under:

How to Choose the Right Technique

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Now that you understand both yarn over and yarn under, how do you decide which one to use? Keep in mind, it’s All About the Project; however, here’s more to think over.

Some key factors to consider are:

Pattern Instructions: Does the pattern call for a specific technique? Always follow the pattern instructions for consistent results.

Desired Fabric: Do you want a looser, drapier fabric? Use yarn over. Do you need a denser, firmer fabric? Consider yarn under.

Stitch Type: Basic Tunisian crochet stitches inherently call for yarn under while some crochet colorwork techniques, such as Mosaic work better with yarn over.

Personal Preference: Ultimately, when you have the choice, you can work according to your comfort level.

Now that you are clear with the concepts of yarn over and yarn under, put them to use in your projects. Understanding the difference between yarn over vs yarn under can dramatically improve your crochet results. From neat amigurumi toys to airy shawls, choosing the right stitch method based on your project goal will elevate your craft.

Ready to try both? Pick up your single-ended crochet hooks or experiment with Tunisian crochet hooks and swatch your way to stitch perfection!

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Video Courtesy - Anna Nikipirowicz | YouTube Channel @annanikipirowicz