I've been sewing lots of things out of socks, so I decided I should probably share my methods. Works for both MSD and SDs. Great for beginners! I am one myself... Let me know if you like this tutorial.
Winter is right around the corner, make sure your bjd is warm in their own turtleneck sweater!
Also remember you can use this tutorial and just shorten/omit parts to make short sleeves, 3/4 sleeves, and even sleeveless turtlenecks!
Model: Layla (Elva from 5StarDoll)
Tutorial (c) Sarablack10/Knightjeran on DoA
89481 ~ [link]