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Beginner's guide to threading a machine – needle thread and drop-in bobbin thread | SusieDDesigns Sewing & Crafts
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Mini Sewing Machine Needle not catching the Bobbin thread problem solved - YouTube | Sewing machine needle, Sewing machine thread, Bobbins
![a) Bobbin with top conductive thread and bottom looper thread to be... | Download Scientific Diagram a) Bobbin with top conductive thread and bottom looper thread to be... | Download Scientific Diagram](https://www.researchgate.net/publication/364727082/figure/fig4/AS:11431281092369029@1666830024571/a-Bobbin-with-top-conductive-thread-and-bottom-looper-thread-to-be-inserted-in-the.jpg)