The shoulder adjustment is usually needs to be done to a bodice or dress with a sleeve. It needs to be done if your shoulders rotate to the front which causes the shoulder seam sit to the back and also the sleeve will have a lot of dragging and it won't sit very well. If you look at the image below you'll see the following: the shoulder seam sits to the back the shoulder point site more to the front and the sleeve has a bit too much fabric in the head at the back So, when the Shoulder…
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