Originally Posted by katesnanna
The VERY best tip I ever got was to use 2 pins when lining up seams. One on either side of the seam. Providing I have it properly lined up before I pin it won't shift and has saved me lots of unstitching over the years.
I learned from someone on this board to do that plus 1 more pin just a hair to the left of those 2. My seams have lined up perfectly since learning this.