1.

Upper Threading

2.

Combination of fabric, thread and needle

3.

The thread tension is incorrect.

4.

Using the Automatic Needle Threader

5.

How do I sew hook-and-loop fasteners(hook-and-loop tapes)?

6.

When thread got tangled.

7.

Why does the lower thread keep breaking?

8.

How do I raise or lower the feed dog?

9.

Fabric and Thread

10.

How do I wind the bobbin?

11.

Why does the needle keep breaking?