Knit them both at the same time, one inside the other.
Finished sizes:; Foot circumference: 7 1/2" (8", 8 1/2", 9", 9 1/2"); Foot length: 6 1/2" (7", 7 1/2", 8", 8 1/2"); Sizes: XS (Small, Medium, Large, XL) Designed by Katerine Atherley. Sock Inside a Sock - Electronic Download The basis of the technique is Double Knitting, and mastering it opens the door to interesting double-sided fabrics.. This leaflet includes a comprehensive step-by-step tutorial, guiding you through the process of making your socks from beginning through end.