You can choose a mundane skill, such as one that maintains your health or your household.
Or you can choose something more esoteric, a skill that you, but not everyone, has.
Write in the voice of one who gives advice to the uninitiated, but instead of explaining what to do, explain what not to do. In a practical sense. Or absurdly
Begin all of your advice with the word “don’t.”
Fill a page with such advice, add color or illustration if you like, and give your work a title. Write the date and your initials on your work, too.