The oak charring process can help to caramelize the sugars in the wood, which can add some sweet, spicy, and smoky flavors to spirits.
OThis is an important step in the production of many types of whiskey, and helps to give the finished product its unique flavor and character.

Infusion spirals provide simple and fast extraction of oak aroma and flavour at a fraction of the price of a barrel. They are also really easy to add to bottles or a carboy and remove afterwards, there is no need to filter out chips. 

These can used in spirits, wine, beer and cider. 
Wine: Use 1 spiral per 11 to 23 L for 6 weeks or until desired flavour is achieved. 
Beer, spirits and cider: Use 1 spiral per 11 L for 3 - 6 weeks or until desired flavour is achieved.