This sounds amazing, so I must try: 1. Identify areas of your wooden furniture that are unsightly because they have been bumped or scraped. 2. Get your walnut. 3. Rub the walnut on the damaged area.
4. Watch in amazement as the damaged area begins to darken.
At Williams Sonoma: "... they used to simmer this amazing concoction on the stove and it made the whole store smell amazing." In a small stockpot filled about 2/3 full with water, add 1 lemon sliced, a few sprigs of rosemary and 1 - 2 tsp of vanilla. Let it simmer all day, adding water as needed.