It may help to use straight pins to hold the open seam together while you sew. If pins make you nervous, masking tape can be substituted by folding it over the top of the seam.
Sew below the holes from the old seam thread to ensure that these holes do not show up while you’re wearing the garment. These holes should be part of the seam, not the visible part of your garment. Continue sewing in small stitches all the way to the other side of the open seam, using the old holes as a guide for a straight line.
Now let's finish sewing.
