The Javanator™ Barrel Aged Coffee Infuser. Now you can make your own barrel infused and aged coffee at home. The Javanator is made from new American white oak and charred to extract flavor from the barrel. How does it work? Season your barrel with your favorite spirit by pouring a shot into the barrel and swishing it around until is soaks into the barrel staves. Place whole coffee beans into the barrel and let it age and infuse for 3 to 5 days. After the infusion period, grind your beans and enjoy your coffee!