These spirals are great for infusing wood flavors into your homebrewed whiskey, liquor, beer and wine. We hand turn these and leave them rough for more surface area contact meaning that it imparts more complex and noteworthy flavors. Great for turning less expensive liquors into more flavorful batches. Directions to use: Insert single spiral into bottle and leave for 4-6 weeks, tasting periodically. Over use may lead to a more tannin-like taste and become undesirable. Single Use Only No chemicals added. Wood species/flavor notes Cherry: Dried cherry, earthy, additional sweetness in finish, light vanilla, fried bread. Phenols muted, alcohol persists, slight tannic astringency. Hickory: Light woodsy character, light hay-like aroma, slight honey-sweetness. Phenols not muted, slight tannic astringency, alcohol softened. Hard Maple: Woody aroma, maple-syrup character lingers in finish, light nutmeg. Had a thinning effect on body, alcohol subdued. Soft Maple: Caramel, yellow cake, li