CO 13 sts with size 3 needles.
Row l: K2 *slip 1, K2tog, passo, yo twice; repeat from * to last 2 sts, k2
Row 2: K2, *P1, K1 into double yo, P1, repeat from * to last 2 sts. K2
Row 3: Knit
Repeat rows 1-3 for pattern.
I added two D rings to one side of the belt to loop it through.