Flat Slip Stitch Join Tutorial (Zipper Method)

Tutorial skill level: Easy

When you purchase through links on my site, I may earn an affiliate commission. Here’s how it works.

This helpful tutorial from Look At What I Made walks you through how to join crochet squares using the completely flat slip stitch join, also known as the zipper method. This technique creates a nearly invisible seam and keeps your squares perfectly flat, making it ideal for joining motifs into a blanket or other flat project.

Use this flat slip stitch join (zipper method) to crochet your squares together with no bulk. Try it now with this step-by-step tutorial. #crochetjoin #crochettutorial #zipperjoin

What makes this pattern stand out:

  • Project Type: Crochet Square Join Tutorial
  • Finished Project Size: Custom, based on joined squares
  • Skill Level: Easy
  • Yarn Weight: Any (matches project squares)
  • Hook Size: Matches project yarn
  • Stitches: Slip Stitch (Back Loop Only)
  • Tutorials: Step-by-step photo tutorial
  • Why we love it: This flat, no-bulk join gives a smooth, professional look with a subtle ridged seam.

Try this method for your next blanket project for a seamless, polished finish.

Crochet your squares together with a smooth, flat seam using this easy zipper join method. #crochettutorial #zipperjoin #flatjoin

You may also enjoy these posts:

View Full Post

Tutorial by:

Dedri Uys