Using 4mm needles and yarn A cast on 60 sts
Row 1: *k1, p1*
Row 2: * k1, p1*
Next row: k2, work in pattern until 2 sts remain, k2
Continue to work graph until all rows have been worked
Repeat rows 1 and 2 once more
Using the crochet hook and yarn A ss into the center of the left side seam. work 8ch and ss back to first ch. Then attach a button on the opposite side seam. Put cosy around the mug and secure with the button.