K1B (knit 1 below) and P1B (purl 1 below) for half fisherman's rib. Example project is Puff Cuffs.
https://www.shanalines.com/knitweard...
K1B is used when piece is worked in the round.
P1B is used when piece is worked flat.
00:00 Intro
00:33 K1B
01:48 P1B
Interested in written directions? Check out my website for a PDF with this and more knitting tutorials: https://www.shanalines.com/tutorials/