This is the official documentation for Ancient Procedure 6, a process so old, it's practically fossilized.
Ancient Procedure 6: The Art of Slowly and Painfully Removing Rust from a 3000-year-old Iron Pot
Warning: This procedure is not recommended for the faint of heart or those with a strong stomach.
Locate an authentic ancient iron pot, preferably one that's been sitting in the corner of a dusty museum for millennia.
Acquire a 3-foot-long wooden stick and a handful of fine-grained sand.
Optional: If you're feeling fancy, bring a spare set of dentures.
Proceed to Step 2: ScrubbingUsing the 3-foot-long wooden stick, gently scrub the rusty surface of the pot with the fine-grained sand.
Be sure to scrub in a figure-eight pattern, as the ancient ones did.
Optional: If you're feeling particularly masochistic, scrub for 4 hours straight.
Proceed to Step 3: Buffing