Tantalus 3 Pk. Why Tantalus? Because under age alcohol use is rising and most households don’t have lockable storage areas. Tantalus can be used to protect your teens and toddlers from alcohol. Is very simple to use, just unlock the device, pop it over the neck of the bottle and relock. Comes with two keys. Easily locks on and cannot be removed without the key Specifications. Helps also to protect expensive malt whiskey or fine wines.