Final answer:
The method that is NOT a method of cleaning tools or implements is blowing through a small slit in a wide, stretched rubber band.
Step-by-step explanation:
The method that is NOT a method of cleaning tools or implements is d. A person blows through a small slit in a wide, stretched rubber band. This method does not involve cleaning tools or implements, but rather involves using a rubber band as a musical instrument. The other options mentioned, such as using a wet cloth to clean optical components or striking a hammer against a hard surface, are methods of cleaning or maintaining tools.