The Interlocking Arches crochet stitch creates a beautiful textured design, especially when worked in multiple colors. The spike double crochet stitches add depth and a striking woven effect, making this stitch perfect for blankets, baskets, bags, and home décor projects.
This stitch pattern is worked in continuous rounds and is easy to customize with your favorite color combinations.
How to Crochet the Interlocking Arches Stitch
Step 1 – Foundation Round
Start with a foundation round of single crochet stitches using any even number of stitches (multiple of 2).
Join with a slip stitch to the first stitch to close the round.
Step 2 – Single Crochet Round
Crochet 1 single crochet in every stitch around.
Step 3 – Open Double Crochet Round
Make a standing double crochet in the first stitch.
Chain 1, skip 1 stitch, double crochet in the next stitch.
Repeat from * to * all the way around.
Change Color
Step 4 – Spike Stitch Round
Attach the new color with a standing single crochet in one of the double crochet stitches from the previous round.
Work a spike double crochet into the stitch from the round before last, then make 1 single crochet in the next stitch.
Repeat around the entire round.
Step 5 – Double Crochet Round
Make a standing double crochet in the first stitch.
Chain 1, skip 1 stitch, double crochet in the next stitch.
Repeat around.
Step 6 – Repeat the Pattern
Continue repeating Steps 4 and 5.
Change color after each repeat to create the layered interlocking arches effect.
Step 7 – Final Round
When you reach your final color, repeat Step 4 one last time.
Finish with a complete round of single crochet stitches in every stitch around.

Tips for the Best Result
- Use contrasting colors to make the arches stand out beautifully.
- A smooth cotton or acrylic yarn shows the texture clearly.
- Keep your tension even for neat spike stitches.
- This stitch works wonderfully for baskets, pillows, bags, and modern blankets.
The Interlocking Arches stitch may look intricate, but once the repeat is established, it becomes a relaxing and enjoyable pattern to crochet.
