This is Halloween socks are worked top down on circular needles with a magic loop.
The lace and cable pattern gives the socks a nice stretch, and two different colours give an interesting look.
The pattern uses the German short-row shaping method for the heel and the Kitchener stitch for the grafting the toes.

I’ve written the directions for circular needles and magic loop, but you can DPN.

The pattern has both a chart, written instructions and video tutorial for the heel (German short rows) and toe (Kitchener stitch).

Size: one size, sized for woman´s Medium, you can adjust the length of the sock. If you have small feet you can knit these socks on needles 2 mm or 1,75 mm (US 0 or 00)

Other: stitch marker, cable needle, big safety pin, tapestry needle,

Many thanks for my excellent testers:
kamiemari, chmurkaa, LismoreLady, Chenia, Iruka71
kami