Casks in this size (themselves called firkins) are the most common container for cask ale. Endorsers of the Pacifica guitars include Michael Lee Firkins and Mike Stern. Butter was shipped in firkins, each one holding . Bruccoli married Arlyn Firkins on October 5, 1957. Robert Firkins left the group circa July 2009. In 1997, Firkins recorded "Decomposition" for Nuerra Records. Firkins died in his sleep in Atlanta, Georgia, at the age of 36. He also played with guitarist Michael Lee Firkins.