Joining granny squares can be done in many different ways. Here are sewn, crocheted and decorative methods of joining granny squares together
Zig Zag Slip Stitch Join - Crochet 365 Knit Too
7 Ways to Join Granny Squares Beginner and Advanced Options
12 Ways To Join Granny Squares - Basic How To
Joining Granny Squares – Join-as-you-go method - The Crochet
How to Join Crochet Squares 12 Ways - Baking Outside the Box
How To Join Granny Squares Using the Whipstitch
The Easiest and Fastest Way to Join Granny Squares!
The Easiest and Fastest Way to Join Granny Squares!
Joining granny squares — Picking Up Stitches