Adding elastic thread to ribbing
A neater way to SSK: Slip as if to knit, slip as if to PURL. Place your left needle into the front of the slipped sts and knit them together.
Have you noticed that looks neater than ssk? Try this little trick to see if it neatens up your ssk stitches a bit. The traditional ssk: slip as if to knit, slip as if to knit. Place your lef.
Live stitches from the last row of a sleeve for a folded / turned hem on the WS: sewing tidily & nicely. => grafting to row ~~ Use for collar / neck
Interesting matched decreases - no instructions I could find
How to knit nicely rounded armholes and necklinings.