Cast on 47 sts.
Rows 1 and 2: Sl 1, k to end of row.
Rows 3 and 4: Sl 1, k to last 2 sts, k2tog – 45 sts.
Repeat Rows 1-4 until 3 sts remain.
Next Row: Sl 1, k2tog, pass slipped stitch over; do not turn work.
Working along left edge of triangle just completed, pick up and knit 46 sts (for a total of 47 sts). Work as for First Triangle, beg with Row 2.
Work as for Second Triangle. Turn work.
Work as for Second and Third Triangles.
From right side, with crochet hook, join yarn with sl st in edge of Wrap. Work sc evenly around outside edge of Wrap; join with sl st in first sc. Fasten off.
Weave in ends.