Construction: toe-up, flap-and-gusset heel, hemmed picot cuff. The Mock Cable pattern is provided in both words and charts.

I created these toe-up socks when I wanted something fast and fun (and cozy), after a complicated sweater that took me four months to knit. Since I was going to be knitting them during travel and a holiday I knew I’d have time to concentrate so I wanted something a little more interesting than plain socks, but still fast and easy. This pattern brings together a lot of my favorite things: the mock cable pattern used in Nutkin socks, Judy’s Magic Cast-on and Jeny’s Surprisingly Stretchy Bind-off, a flap-and-gusset toe-up heel, a gusset I unvented myself, and a hemmed picot edge. The pattern is called Tributary both because the mock cable does remind me a bit of ripples in a river and to convey the idea of tribute to all of its sources of inspiration.

ERRATA: For the Mock Cable pattern on the left sock, the written pattern says
Rnd 8: P1, K2tog, K3, YO, K1, P7, rep from
The correct instructions should be:
Rnd 8: P1, K2tog, K3, YO, K7,P1, rep from
The charted pattern is correct.