Hello,
Greenwing has just posted in the Embroidery / How Do I? forum of AmayaUsers
Discussion Boards under the title of Magnetic vs. Non-magnetic Bobbin.
This thread is located at
http://www.amayausers.com/discussion/showthread.php?6123-Magnetic-vs-Non-magnetic-Bobbin
Here is the message that has just been posted:
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Actually not, it prevents backlash and guides the spring to keeping much better
consistent tension.
but you still need tension from the flat spring it is just much more
forgiving...
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