I used the Judy’s Magic Cast On (20 stitches total), increased 4 every other row until I reached 60, knit to the hinge, used Cat’s Sweet Tomato Heel, then 1x1 ribbing until I liked the length (~1.5”), then Jeny’s Surprisingly Stretchy Bind-Off.

One sock fits a little tighter than the other, so the next set I’m trying two at a time.