31.

Zipper insertion [Video instructions]

32.

Satin Stitching [Video instructions]

33.

Thread tension [Video instructions]

34.

How do I draw up the lower thread?

35.

When I press the Start-Stop Button or Foot Controller, my machine makes a whirring noise, but the Needle bar does not move.

36.

Why does the needle keep breaking?

37.

Why does the lower thread keep breaking?

38.

The bobbin thread cannot be pulled up.