net technology on Instagram: "In a sewing machine, stitches are formed through the synchronized operation of several key components. The process begins with the needle, which carries the upper thread and moves vertically to penetrate the fabric. As the needle descends, it forms a loop of thread beneath the fabric. This loop is then caught by a rotating hook or shuttle mechanism, which carries the upper thread around the bobbin, interlocking it with the lower thread to create a secure stitch know