The Black Snake Series: A sherry butt cask, which is called a VAT, starts out filled with three bourbon hogsheads of the same single malt whisky. After several months of maturation and careful tasting, around two thirds of the VAT is bottled. This bottling is called VAT “X” First Venom. Thereafter, more bourbon whisky from the same distillery is transferred into the VAT and matured for a period of time before repeating the process of bottling two thirds of the VAT. The second bottling from the VAT is called, VAT “X” Second Venom.
The process will then be repeated for the "Third Venom" and so on. As all Venoms are bottled after careful tasting and quality control, the time between each Venom will vary. Nothing is fixed. Also, each original sherry cask butt will be replaced with a new sherry cask butt when the time is right.