Portable Sewing Machine Ideal for beginners and novice, Pre-threaded and ready to use, Can be used at home, in the office, car etc. Operating Steps 1.Install 4 AA batteries or use adaptor(Can't mix the battery with different brand or mix the old battery with new battery) 2.Installation line, place the cloth 3.Hold the fabric with the left hand, gently press the right thumb gently, the mechine will automatically send the object to the left.The right hand does not move, let the machine feed itself, and the left hand controls the direction of the cloth.Stitch the line until the end of sewing, it can automatically feed and adjust the tightness between the stitches. 4.Knot: The Single Stitch, so you have to Tie A Knot by yourself. 5.Change the line group: Pull out directly, be careful not to drop the spring.For example, if you change the large line group, you can connect the spare extension rod to the spool shaft and insert the large thread group.Then re-thread the thread and adjust the tension of the thread.Sewing. 6.Change the needle: Loosen the fixing screw, install a new needle.