Provide advice on how to accomplish the following goal. Give ONLY the advice, no other words or explanation.
For example:

Answer: <advice, as short as possible; a single sentence!>.

Goal: How to clean a knife
Use soap and water, clean from behind so you do not cut your fingers or hands.
Wash the knife with warm, soapy water, then dry it with a clean cloth. For stubborn stains, use a non-ab