Originally Posted by
PaperPrincess
If I understand you correctly, you have quilted 3/4 of one side of the border. I would unpick this (muttering under my breath the entire time), then do the whole border with the new thread.
That is exactly what I would do. It will look like you planned to do it that way. Might quilt it differently too by doing a stitch 1/4" inside the ditch of each key.