Identify the upper and lower parts of sewing machine being described by the following statements. Choose your answer from the word bank and write your answer on the blank provided before each number. Stitch regulator 1. It moves the fabric while sewing. Spool pin 2. It is the windows of the feed dog and it is where the bobbin threads come out. Head 3. It is a movable plate that covers the shuttle and bobbin case. Arm 4. It holds the bobbin case while sewing. Slide plate 5. The thread holder. Throat plate 6. It controls the looseness and tightness of stitches. Thread guide 7. The complete sewing machine without a cabinet or stand. Presser bar lifter 8. It is the curve part of the head containing mechanism for operating the needle. Shuttle 9. It moves the presser foot. Feed dog 10. It keeps the thread in position.​