How to knit the mobius stitch.

The mobius stitch instructions use some special terms, which are here defined:
Twist 1st st -- sl 1 knitwise, sl 1 back.
Twist 2nd st -- sl 1, sl 1 knitwise, sl 2 back.
K2 tog-b dropping 1 -- k2 tog-b but slide only the first of the two stitches off the left needle.

Multiple of 3 stitches.

All rows -- * Twist 2nd st, k2 tog-b dropping 1, yo, p2 tog-b; repeat from *.