Knit on sock yarn with size 2 DPNs.
Cast on 84 sts
Knit 7 rows of K3,P3 rib
Knit 16 rows
Start decreases. PM, K2tog, K12. repeat 6 times.
Knit 2 rows. (or just one if you don’t want your hat so tall)
Repeat decrease and knit rows until 12 sts remain.
K2tog 6 times (6 sts), K2tog 3 times (3 sts)
Cut yarn and tie off remaining sts. Weave in your ends.