The mystery is now revealed!

Part 1: Jack O’ Lanterns is worked in a slip-stitch and cable pattern.
Part 2: Glow Sticks uses short rows and a join as you go technique to apply a garter stitch edge around Part 1.
Part 3: Spiderwebs picks up all along the edge of Part 2 and creates a webby lace.
Part 4: Costumes is a long lacy short- row ruffle bind-off with options.

Size
One Size
Measurements
21” deep and 49” wide
Yarn
Crabapple Yarns Posh (65% merino, 35% rayon of bamboo; 448 yds 410 m/100 g): plum crabbie (MC), oriole (CC), 1 skein each
Needles
US #6 4 mm adjust needle size as necessary
to achieve gauge
Gauge
24 sts and 48 rows = 4” in garter st, UNBLOCKED
Notions
stitch markers, cable needle, tapestry needle

Check out all the participants in the group thread!