Zum Beispiel in Harmony Guides
see at Baby Chalice Blanket which proposes a slightly different version of ssk (slip 1 sts knitwise, back on left needle and knit 2 sts together through back loop)
Very similar to
Falling Leaves pattern and
Still Elvish (has picture!).
You might skip the first and the last stitch of each row.
Shown with a cast-on count of 33 stitches.