1. Empty dental floss box.
2. Embroidery floss, twine, thread, etc.
3. Sharpie for label.
1. Open the floss box. Any sharp tool can be helpful.
2. You will find a bobbin inside, thread it.
3. Close the box making sure to put the thread tail in its place (pic. 4).
4. Label with sharpie or stickers.