In todays tutorial I will be showing you how to make this simple crochet heart string. Steel Crochet Hook size 2.mm (#4 US standards) and yarn: 100% Cotton Mercerized, 169m/50g. Variegated yarn: 55% Cotton, 45% Polyacrylic, 160m in 50g, 5 ply and Steel Crochet Hook 2.25mm (#2 US standards). Tutorial 112