13 REPLACING THE NEEDLE. 14 CHANGING THE PRESSER FOOT. 14 ADJUSTING PRESSER FOOT PRESSURE. 15 MATCHING NEEDLE/ FABRIC/ THREAD. 15 TYPE OF PRESSER FOOT CHART. 16 WINDING THE BOBBIN. 17 INSERTING THE BOBBIN. 19 THREADING THE UPPER THREAD. 20 USING THE NEEDLE THREADER. 22 TOP THREAD TENSION. 23 BRINGING UP THE BOBBIN THREAD. 24 CUTTING THE THREAD. 24 PRESSER FOOT LIFT. 25 RAISE OR LOWER THE FEED DOGS...