Looking for a way to join your crochet motifs without any seam showing? Look no further than the Invisible Mattress Stitch! This sewing technique will allow you to join motifs without a visible seam – especially useful when joining motifs that are different colors. Whether you’re a beginner or an experienced crocheter, this step-by-step tutorial will guide you through the process and provide you with a few tricks to speed up the task and get your motifs joined in no time.