I hadn’t gone out of my way to learn a new knitting technique; I just happened upon one!
This is the Bosnian Toe from the Crystal Socks pattern that I’m using for the Advent Socks.
I chose to do a temporary cast on using the cable of a circular needle as my “waste yarn” (the bottom cable in the photo above). This way I only have to pick stitches up along the sides.
And this is the finished toe: