Cast on 17 sts.
Row 1: Knit across
Row 2: K 1, K 2 tog, K 12, K1 fb, K 1
Repeat rows 1&2 till piece measures about 8-9”
Cast off loosely leaving a tail about 26” long sew short ends together
Weave a basting stitch around one end and cinch tight, weave through to the opposite side and repeat the cinch, sew in ends and cut.
The disc will measure about 4” across.