Once you’ve gotten the hang of knitting a small circumference project with a long circular needle, you’re ready to tackle both halves at the same time. This technique works for socks, mittens, even sleeves!
This is a fantastic method for those who are still not sure about DPNs, who experience ‘second sock syndrome’, or just like to keep even progress!
the video below shows how you can use a circular needle to get both halves done at once.