Here's a simple video that gives you the basics. It's easier to just knit a tube and sew up the end. I'm wearing a tube pair now, there's no real
problem with it. The heel wears out faster but if you want warm feet fast it's the quickest way. Yarn can be pulled out of unwanted knitted garments.
Two strands can be used together. They aren't good for long distance walking, just mooching around at home. For walking, nothing beats real fitted
socks.
This is an easy way to combat trench foot in refugee camps.
Critical thinking is frowned upon. Don't you know that Dollarama has socks for three dollars for two pair? On a high note- Dollarama shares up six
hundred percent over the last three years. Fo shizza ma nukka.