If you’ve ever looked at your finished crochet piece and thought, “Why does that join look so obvious?”—you’re not alone. Joining rounds in crochet can be tricky, especially when you want everything to look smooth and seamless.

Enter: the invisible join.

This little trick can totally level up your crochet projects. It’s a clean, polished way to finish off rounds—especially when you're working in the round and want to avoid that little “step” or bump that traditional slip stitch joins leave behind.

In this post, I’ll walk you through what the invisible join is, when to use it, and exactly how to do it (with step-by-step instructions). Plus, I’ll share a few tips to help you keep your joins looking smooth and subtle every time.

What Is the Invisible Join in Crochet?

The invisible join is a technique used at the end of a round (or sometimes a row) to close your work in a way that looks like there's no join at all. Unlike a slip stitch—which can sometimes leave a visible seam or bump—the invisible join blends right into the stitch pattern.

It’s especially helpful when you want your work to look flawless from all angles. If you’re making:

  • Granny squares

  • Hats

  • Mandalas

  • Coasters or circles

  • Motifs for blankets or clothing

  • Stripes or color changes

…the invisible join is your friend.

Why Use an Invisible Join?

Here are a few reasons why the invisible join is such a popular trick among crocheters:

  • Cleaner look: It mimics a normal stitch instead of creating a noticeable seam.

  • Great for photos: If you sell your makes or post them online, this technique can make your work look extra polished.

  • Works with any yarn: From cotton to chunky wool, it helps any project look its best.

  • Perfect for finishing rounds: Whether you're changing colors or ending your final round, the invisible join gives a smooth finish.

What You’ll Need

To practice invisible join crochet, grab:

  • Yarn: Any weight works, but I recommend worsted weight yarn (category 4) or sport weight (3) for beginners. I will be using hobbii friends cotton 8/6. 
  • Hook: Check your yarn label for the recommended hook size. For my yarn, I’ll be using a 3.75 (F hook)

You can follow along using a basic circle, granny square, or any other project worked in the round. If you’re new to working in the round, practicing with a circle of double crochets is a great place to start.

Follow this magic circle tutorial for extra guidance. 

How to Crochet the Invisible Join: Step-by-Step

Here’s exactly how to work an invisible join in crochet:

Step 1: Finish your last stitch of the round

Let’s say you’re working a round of double crochet. Complete the last stitch as usual. Do not join with a slip stitch like you normally would.

Step 2: Cut your yarn and pull it through

After finishing your last stitch, cut the yarn, leaving about a tail. Then yarn over and pull the tail all the way through the last loop on your hook. Your hook is now free, and your stitch is fastened off.

This might feel wrong if you’re used to slip stitching to join—but it’s part of the magic.

Step 3: Pull through second stitch on opposite side 

Notice the green dot on the previous photo. This is the stitch we will be pulling the yarn tail through, from back to front. Flip your project so the back side is facing you, then use your crochet hook to pull the tail through the top of the stitch. 

Step 4: Pull the tail through the last stitch of the round

Find the last stitch of the round, where the tail is attached to. Insert your hook up through the back loops of the post. 

Yarn over and pull the tail through that stitch. 

Here’s how it will look on the back of your work. 

And here is how it looks on the front! Much less noticeable than using a slip stitch join, the invisible join mimics the look of a normal stitch. 

Step 5: Pull tight and weave in your tail!

Pull snug—but not too tight. You want the new loop to match the others in size.

That’s it! You’ve created a seamless join that looks just like another stitch. Here’s how it looks from the top: 

Invisible!

What About When You’re Changing Colors?

The invisible join is especially handy when you're changing colors in your project. Here’s how to do it:

  1. Finish the round with your first color, following the same steps above for the invisible join.

  2. Weave in the tail securely on the wrong side.

  3. Join the new color in the next round by pulling up a loop in the correct starting stitch and continuing as normal.

This creates a smooth color transition with no awkward bumps or jogs at the join. It’s perfect for striped hats, mandalas, or granny squares with color changes.

Common Questions About the Invisible Join

“Do I have to use the invisible join every time I crochet in the round?”

Nope! It’s totally optional. If you like the look of the slip stitch join or you’re working continuously in spirals, you don’t need to use it. But when you want a super polished finish, especially on visible or decorative pieces, the invisible join is a great tool.

“Does it work with all stitch types?”

Yes! You can use the invisible join with single crochet, half double, double, and even taller stitches. The technique stays the same—just match the tension so your join blends right in.

“Do I need to block my project after using the invisible join?”

You don’t have to, but blocking can help even things out if your tension was a little off. Blocking is especially helpful for motifs like granny squares or mandalas to make everything lay flat and smooth and ensure that you have straight edges. 

Tips for a Perfect Invisible Join

  • Use your crochet hook or a blunt needle: A sharp needle might split your yarn. A tapestry or darning needle works best.

  • Weave in tails on the wrong side: Try to follow the path of nearby stitches so it blends in even more.

  • Match your tension: If you pull the yarn too tightly, the “fake stitch” might be smaller than the rest. Go slow and compare as you work.

When Not to Use the Invisible Join

There are a few situations where the invisible join isn’t the best choice:

  • If you’re working in continuous rounds, like with amigurumi. You’ll want to keep going in a spiral to avoid visible seams.

  • If you need to work into that stitch in the next round, sometimes the invisible join can make it trickier to identify.

  • If you’re just doing quick, functional projects, like dishcloths or practice swatches, you might not care how clean the join looks—and that’s totally okay!

Final Thoughts

The invisible join might seem like a small detail, but it can make a huge difference in the overall look of your crochet. Whether you’re finishing off a colorful mandala, working on a granny square blanket, or adding a professional touch to a hat, this technique can help your work look clean, smooth, and seamless.

Give it a try on your next project and see the difference for yourself! And if you’re still getting used to it, don’t worry—like all crochet techniques, it gets easier with a little practice.

What’s next?

Looking for more crochet tips and tutorials? Follow the quick links below for other beginner stitches or head straight to the full crochet stitches page of my website!

How to Crochet a V Stitch

How to Decrease

How to Crochet an i-Cord

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