Work 2 more single crochet in the second opening. Chain-5, you are getting ready to join to the next pop tab.
Work 3 sc in 1st opening in next pop tab, work 3 sc in second opening of pop tab. You keep chaining and sc in pop tabs until you have 15 pop tabs connected. Chain-5, join one more pop tab, work 3 sc in 1st opening, you are now going to work across the top of the 2nd opening and down its side to begin making the other side of the necklace. See photo next page.