1. Go get a hammer: claw hammer, ball peen, doesn't matter.
2. No, wait--first, go to the beach and bring back some sand; take a pail with you.
3. Find where the rats have gnawed through one of your walls.
4. Take out the wall for access into the rathole.
5. Go buy a shovel and dig, so the hole's going down instead of straight back toward the wiring.
6. Pour the sand down the hole that you've dug…