[quote=LyndaK]My Janome 11000, 1600P and 3160 QDC all freemotion well for me, with and without the blue bobbin case. I don't go really fast with my machines when I FMQ. I noted when I tried to really speed, especially with my 11000, I had issues with bobbin tension.
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Do you both run the machine and move the quilt slowly?