Threading steps of old sewing machine

1. As shown in the figure below, fix the bobbin on the bobbin of the sewing machine, and then pull a straight line to the left.

2. Then pull the line down along the raised gap on the left, and be careful to pull it over.

3. Then make a circle around the wire clamp spring, pay attention to tighten the wire, and then pull the wire up.

4. Then pass through the protruding thread take-up pole above, pay attention to pull a straight line, and then pull it down.

5. Then pass through the hook and loop at the bottom, then pull down the straight line and put it on the table for sewing.