If you want to know how to slip stitch granny squares together, the crochet flat slip stitch join is just what you need to learn!rnrnIt's one of the most pretty ways to join multiple granny squares together with a flat seam, like joining the Classic Granny Square, Clover Leaf Granny Square or Ferris Wheel Granny Square.rnrnIt can also be used to crochet other crochet pieces together, like the Crochet Jacket and Crochet Cardigan with Pockets.rnrnThis slip stitch granny square join is super easy.