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 do I sharpen a pencil without a pencil sharpener?
Take a small knife and press against the tip and stroke off tiny pieces of the pencil tip, until you expose the lead/ graphite and can write with it.
Hold the pencil under your palm, use a knife to draw shavings from the wood.