This video crochet tutorial will help you learn how to crochet the little fan stitch.
Foundation Chain: Multiples of 8 + 2
Prep Row: Sc 2nd ch from hook, *skip next 3 ch, [1 dc, ch 1] 4 times in next st, 1 dc same st (shell made), skip next 3 ch, 1 sc in next ch; rep from * across, turn
Row 1: Ch 6 (counts as dc, ch 3), *1 sc in center dc of next shell, ch 3, 1 dc in next sc, ch 3; rep from * across, ending with dc in last sc, turn
Row 2: Ch 1, 1 sc in first dc, *shell in next sc, 1 sc in next dc; rep from * across, ending with last sc in 3rd ch of beg ch 5, turn
Repeat rows 1 & 2 until you have reached your desired length.
After a few repeats your pattern should look like this: