How to Crochet Heart ~ Free Crochet Pattern Skill level: Basic Crochet Materials: Crochet hook size 3.o Crochet yarn: Pink 4 ply, 100 % acrylic Sewing needle Crochet stitches This pattern uses US stitch abbreviation.  Chains (ch) Slip stitch (sl st) Single crochet (sc) Half Double crochet (hdc) Double crochet (dc) Picot stitches (3-ch picot [&helli