Ch 80. Row 1: 5dc in 4th ch from hook. *Skip 3 ch, sc in next ch, skip 3 ch, 6 dc in next ch; Repeat from * ending with sc in last ch. Rnd 2: Turn * 6 dc in bottom of half shell, dc in bottom of sc, Repeat from * to end of row. Fasten off. Repeat instructions for backside. Do not fasten off. Now match front and back together.