Oak Infusion Spiral pack of 2 - French Heavy Toast
Made from premium oak, these toasted oak spirals increase extraction of aroma, flavor, and tannin by their greater surface area. Add to barrels, tanks, or carboys; suggested dose is 2 sticks per 6 gallons, but you can snap the spirals into smaller portions to adjust to taste.
These spirals work very well. My only negative is the high price.