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Industrial Reeler, thread comes from the top of the machine and goes through the upper thread guide
(edit with the Customer Reassurance module)
(edit with the Customer Reassurance module)
(edit with the Customer Reassurance module)
The spool thread comes from the top of the machine and goes through the upper thread guide, while the bobbin thread is under the needle and goes through the bobbin thread guide. Many novice sewists don't realize that there are two pieces of thread that go into sewing, the spool thread and the bobbin thread.