Twist Cable 01 in the round

PATTERN IN THE ROUND
Cast on an any number of stitches
Round 1: *K2tog, slipping only the first stitch off the left needle, repeat from * until 1 stitch remains.
Remove the stitch marker and k2tog, slipping the first stitch off the left needle. Place the stitch marker to the right of the first stitch on the right needle.
Round 2: *K2tog TBL, slip only the first stitch off the left needle, repeat from * until 1 stitch remains.
Remove the stitch marker and K2tog TBL, slipping the first stitch off the left needle. Place the stitch marker to the right of the first stitch on the right needle.
Repeat rounds 1-2.

Worked flat, see Twist Cable 01: Herringbone stitch