Brick hat:

With MC, CO 120 sts on 3.25 mm circular needles, place marker
P1K1 rib for 6”
Switch to 3.5 mm needles and increase to 132 sts
row 1 K 1 in MC
Row 2 Begin CC, Sl 1, k3, repeat
Row 3, in CC, s1, k3, repeat
Row 4 and 5, knit in MC
Row 6, in CC, k2, s1, k1
Row 7, in CC k2, sl1, k2
Rows 8 and 9, in MC, k

Repeat rows 2-9 until hat measures 6” in total.

Begin decreases on a row 5 or 9.
With MC, k7, k2tog, repeat
Next row, with CC, alternate knitting 2 or 3 brick sections to keep the bricks alternating.

Continue decreasing on every 2nd MC row (before the next strip of bricks), k2tog above the last brick stick and the black stitch that separates the bricks, every other block of bricks.
E.g. the 2nd decrease would be k6, k2tog, repeat
3rd decrease, k5, k2tog, repeat

At some point you may have a bricks that are only 2 stitches.

When you get close to the top, decrease every other row and k2tog on the last row of the bricks.
Then k2tog all stitches for the next 2 rows.
Cut yarn and close top by running yarn through remaining stitches with a tapestry needles.
Weave in ends and block.