Skill Level: Beginners.
Yarn : Dk.
Hook: 3mm

Video tutorial here :

Ch a multiple of 8 plus 2

Foundation Row: Sc in 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 ch5, turn .

Repeat Rows 1 and 2 for pattern.