Baby Hat and Sock Shell Edging - Free Crochet Pattern– Maggie's Crochet Click banners to purchase these Maggie's Crochet Patterns and Supplies!Free Pattern is below. BABY HAT AND SOCK SHELL EDGING Beginner Skill Size: Fits any size baby Hat & Socks. Materials: Small amount Blue (B) Size 3 Crochet Thread; Baby Hat; Awl (available at any hardware store); Cork Board; Fabric Marking P