Picking up neckline stitches.
Neater decreases in knit edges
Как красиво вшить рукав в вязанное спицами изделие
Nice V-neck technique Mais
Decrease on the edge of the canvas. This method is very convenient subtraction of loops at the neck and armholes vyvyazyvanii article
Looks like it's twisted as it's stitched
Formation doused sleeves and armholes.