And this little tiny magnet has nothing to do with computerized machines, trust me! It's not that strong to ruin any machine, and you put it on your finger! Even magnetic pincushion attached to my machine, you can see it on my video, doesn't affect my Pfaff, and it's there already for more than two years! So, no worry about magnetism! Lol!
Read more in previous post.
You can also watch my demonstration video here.