Before you begin sewing, it is always helpful to pull up the bobbin thread up through the project fabric.
How and Why to Bring up the Bobbin Thread
Before you take the first stitch, be sure the thread take-up lever is at its highest point. Then, gently hold the two thread tails in your left hand and slowly begin to stitch.
Answers & Comments
Before you begin sewing, it is always helpful to pull up the bobbin thread up through the project fabric.
How and Why to Bring up the Bobbin Thread
Before you take the first stitch, be sure the thread take-up lever is at its highest point. Then, gently hold the two thread tails in your left hand and slowly begin to stitch.
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That indicates a low tension of the needle thread
increase it up until the situation improves