Originally Posted by
zozee
Hold on and slow down. We've all done the opposite--mostly for the fun of getting to the end of a seam. Tendency is to let 'er fly, or to take our eyes off, or let go of the end. Just guide that baby all the way, slowing down near the end to make sure you're going straight.
This is what I do. I use a seam guide and I just slow down and make sure the fabric stays next to the seam guide