How to Refill a Bobbin on a Singer Sewing Machine?

Refilling a bobbin on a Singer sewing machine involves a few simple steps, focusing on using the top spindle.

Here's how to do it, based on the reference:

1. Install the top spindle: The first step is to install the top spindle on your Singer sewing machine.
2. Sit the thread reel on top: Place the thread reel on top of the spindle.
3. Unwind the thread: Take the thread and unwind it from the reel.
4. Guide the thread: Pause and guide the thread around the thread guide.