In knitting, SSK is the abbreviation for Slip, Slip, Knit, and is one of the most common ways of decreasing on a left slanting decrease.
TO SSK (For right-handed knitting):
- Slip one stitch from left-hand needle to right-hand needle as if to knit. (Also said slip one knitwise).
- Slip the next stitch from left-hand needle to right-hand needle as if to knit.
- Insert the left-hand needle down into the front of the two stitches just slipped, and knit them together.