Explaining Production on Instagram: "Before electricity, sewing machines were powered by a hand crank or a treadle (foot pedal). The needle carried the top thread down through the fabric, while a shuttle or bobbin underneath caught it and looped it around the bottom thread. As the needle rose, the threads locked together, forming the strong “lockstitch” still used today. Tiny teeth called feed dogs then pulled the fabric forward, setting it up for the next stitch. Every crank of the wheel made o