This is a test of commonsense. Complete the next sentence:

How to clean a wood pipe
Run a pipe cleaner through the pipe before you use it.
Even if you have cleaned your pipe after the last time you used it, you should always clean it before you smoke it. Take a pipe cleaner and run it through the pipe.
This helps get rid of any remaining ash or dottle. Gently knock the pipe in your palm to get the debris from the bowl.