Kris, I found the article below on line. I thought it might be worth a read and a try. Nancy
Q: My sewing scissors have become magnetized. How do I fix them? Can they harm my computerized sewing machine?
A: When metal objects that contain iron (and this includes many scissors) are exposed to magnets, they sometimes become magnets themselves. The reason has to do with electrons creating magnetic fields, but you don't need a degree in physics to determine the cause. Storing your scissors near a seam guide or magnetic pincushion could be the problem.
And, yes, a magnet can damage your sewing machine's computer. To demagnetize the scissors and protect your equipment, rub a magnet on the blades several times in different directions. This will disrupt the magnetic alignment within the scissors.