The Bobbin is the part of the sewing machine that supplies the bottom thread to the machine. It is essential to have a properly wound bobbin for even stitching. After you have wound the thread around the bobbin, Insert it into the bobbin case. Pass the end of the thread through the indicated slot and bring thread out a few inches towards the right. Close the slide plate over the thread. For more details on how to use your sewing machine, see the link below:
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