'Pegging out' means cleaning out all the holes with a pointed piece of pegwood.
Sharpen the pegwood and rotate it in the hole from both sides. Repeat the process until the pegwood comes out clean. Each time the pegwood is soiled, use a pencil sharpener or knife to expose fresh clean wood.
Pegging out the holes to remove dirt.
Repairing Your Own Clocks by Mervyn Passmore