Video shows stockinette double knitting. I knit one needle on my 2-socks-in-1. Note how the left yarn (for the outer sock) always stays above the right yarn (for the inner sock)
by Sheruknittingcom
by Garnstudio DROPS Design
by TheHeartBeading
by AhiluArts Kaithozhil
by Ruby Stedman
by Madhu The Knitter