What does 'wood finishing' involve in Single Malt Scotch production?

'Wood finishing' in Single Malt Scotch production refers to the practice of moving whisky to a different barrel after the initial maturation process for additional aging or to impart specific flavors to the spirit. This process often involves using a barrel that previously held a different type of spirit, wine, or other maturing agent, which can enhance the complexity and flavor profile of the whisky. This method allows producers to add unique characteristics and nuances that develop during the second maturation, thus enhancing the overall quality and aromatic profile of the final product.

While other options mention various aspects of whisky production, they don't accurately describe the concept of 'wood finishing.' For instance, adding water is typically done prior to bottling to adjust strength; using artificial flavorings is not permissible in single malt Scotch production, as it must be made from natural ingredients without additives; and relying solely on new oak barrels is not characteristic of traditional maturation practices in Scotch whisky, where previously used barrels are common to develop rich complexity without overwhelming the whisky with new oak flavors.