Finish the following sentence with the best choice: How can I sharpen knives at home without a knife sharpener?

Choices:
- Invert the bowl, rub blade against the Ceramic ring under the base of the bowl to sharpen knives.
- Invert the bowl, fill bowl with cold water soak knife over night atop the Ceramic ring under the base of the bowl to sharpen knives.

Answer:
Invert the bowl, rub blade against the Ceramic ring under the base of the bowl to sharpen knives.