Interlocking Crochet Technique – Simple Guide For Beginners

Free Interlocking Crochet Tutorial – Simple And Basic

Interlocking Crochet is a simple colorwork technique creating a stunning design on both sides. This reversible fabric can be used for so many projects.


Interlocking crochet looks intricate and complex, however, it is easier than it looks. You can use interlocking crochet to create many beautiful projects.

Items like blankets, hats, scarves, washcloths or other projects are all great makes to use this technique for.

You will need some basic crocheting knowledge to do interlocking crochet. Practice the pattern and then start creating beautiful interlocking crochet designs.

What Is Interlocking Crochet?

Interlocking Crochet is a technique that creates two-sided fabric using at least two colors. It interlocks or “weaves together” two crochet mesh fabrics.

This is one of the reasons this technique is sometimes referred to as double filet crochet.

The meshes weave in and out of each other through the windows of the other color mesh, but the mesh is never trapped inside a stitch.

Depending on the stitch used, you can create the same pattern on the front and back or two completely separate designs on the front and back.

This is done by working to the front of the chain spaces or behind them. Also by working around the post of the stitches moving the mesh to the front or back. This way you are fixing the two crochet mesh fabric together.

It lends itself to many different geometric designs. However, they require planning ahead as a different pattern will form on each the front and back sides of your work.

It is also a slow-growing project. Essentially, you are crocheting two projects at the same time so it is one to be patient with!

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pin for interlocking crochet

Advantages of Interlocking Crochet

There are many advantages of interlocking crochet:

  1. it is double-sided – as opposed to other crochet colorwork techniques, the planned design will appear on the reverse side making your project reversible
  2. you only work with one color at a time – no tangles or messy colorwork with strands crossing over or having to hide them by working over them, or visible floats on the back
  3. easier stitch placement – because you only work with color A into stitches in color A, it is easier to know where to place your stitches
  4. uses beginner stitches – interlocking crochet only uses basic stitches like chain st, double crochet (US terms) and double crochet worked around the post of stitches

How do you do an interlock in crochet?

Firstly, you need to choose a suitable yarn. I would recommend choosing a yarn that does not split and is easy to work with.

Secondly, to make the interlocking crochet colorwork stand out, I suggest choosing colors with strong contrast. This way your pattern will stand out beautifully.

Interlocking crochet normally starts with creating the first row of each crochet mesh separately. You then connect them together by working over the chain spaces and post stitches.

However, this technique can be both a little confusing and tricky to get right. The two mesh fabrics move around a lot and it is so easy to miss stitches and be off count.

I have found a much easier way to start and set up an interlocking crochet row. Check out the video tutorial below.

Interlocking Crochet Technique Video Tutorial

Take a look at the interlocking technique I simplified and used in my designs. This is a beginner-friendly pattern repeat as it keeps the design in straight lines.

Once you get comfortable with this technique, you can experiment with more intricate designs.

Is interlocking crochet the same as Mosaic crochet?

This is a question that is often asked. The simple answer is no.

Although both techniques have things in common, there are major differences between them to make them both stand-alone and recognized techniques.

Interlocking CrochetMosaic Crochet
the wrong side has an inverse design of the frontthe wrong side has just stripes
creates a reversible fabric with pattern on both sidesno pattern on reverse
worked on both the right and wrong sides with turningworked in rows on the right side only
works with one yarn color at a timeworks with one yarn color at a time
no need to fasten off after each rowfasten off after each row having to re-join yarn on the right side
no ends to hide within border, can add any border you likeneeds a thick double border to hide all the ends on the edges
gaps are created between stitches as they are not fixed each stitch is fixed and held in position
creates double layered fabricfinished fabric is thinner than interlocking crochet

You can see visual differences explained in THIS VIDEO.

Project Ideas

Here are a few of my designs that use the very basic interlocking crochet technique. The simple stripes created this way are fun and the finished projects are super squishy!

Anton Beanie

This crochet beanie is also a super warm winter accessory. Because of the interlocking technique I used, the beanie is actually double thick!

It has an added layer of yarn stitches on the inside which makes it super warm. Crochet Beanie Easy Pattern – Anton Beanie is free on my blog.

beanie pattern

Pinstripe Cushion

I wanted to create a colorful cushion cover with the stripes running vertically rather than horizontally. However, I knew I did not want to be changing colors every stitch to achieve this effect.

Although you do need to change colors quite often, it is only every row. Interlocking Crochet Cushion Cover is free on my blog.

interlocking crochet cushion cover on the stool next to a plant
Pinstripes Cushion Cover

Explorer’s Mittens

I have used two different colors for these men’s crochet mittens. This makes it a great pattern where you can combine the recipient’s favorite colors.

If they are football fans, you can also use their favorite club’s colors. Men’s Mittens Crochet Pattern – Free Explorer Mittens is free right here on the blog.

men's mittens

I have also found more intricate designs that use interlocking crochet. These are a little more advanced.

However, once you have practiced the basics and know how the technique works, why not give them a go!

Both of these patterns come with full tutorials so you can explore new patterns even if you have just started with this technique.

Interlocking Crochet Baby Blanket

This is a beautiful baby blanket accompanied by a thorough video tutorial, check out the pattern HERE.

baby blanket using interlocking crochet technique

Interlocking Tiles Crochet Blanket

Check out this stunning crochet blanket pattern consisting of 12 squares HERE.

interlocking crochet blanket squares

Final Thoughts

I hope you enjoyed this herringbone double crochet stitch tutorial. I have more free crochet tutorials that you might enjoy right here on the blog. 

If you think your crochet crew would like it too, share the pattern link with them! You can also shout from the rooftops, however, it would be more effective if you share this pattern on your social media…

Apparently, that’s what today’s kids do, it’s the “cool” thing!

I also send out a fun and free newsletter that is packed with crochet goodies! It is full of free crochet patterns, hand-picked round-ups, and stitch tutorials.

You will also become one of my VIPs and receive exclusive discount codes on newly released patterns that I do not share anywhere else! 

So, my crochet newsletter is THE place to be! Sign up below today for a free PDF delivered straight to your inbox right after you sign up!

About Veronika Cromwell

Hi, I’m Veronika! I design modern and wearable crochet garments, accessories and homewares. Grab your hook and find your next project!

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4 thoughts on “Interlocking Crochet Technique – Simple Guide For Beginners

  1. I understand this stitch in the round but the video doesn’t show how to do the stitch on a flat piece. Will you be making a video on that?

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