Chain multiple: any uneven number

Stitch Guide

Extended double crochet (Edc): YO, insert hook in specified st and draw up lp; YO and draw through one lp, (YO and draw through 2 lps) twice: Edc made.

Instructions

Row 1: Sc in 2nd ch from hook and in each rem ch; ch 1, turn.

Row 2 (RS): *Sc in next st, Edc in next st; rep from * across ending with sc in last st; ch 2, turn. 

Row 3: *Sc in next Edc, Edc in next sc; rep from * across, ending with sc in top of turning ch; ch 2, turn.

Rep row 3 for patt.