Snug
An attachment cast to or bolted on flasks. Two or more snugs meet at the joint of the flask; one set has pins, the other holes to receive them, constituting a guide. See LUGS.
Twelve hundred entries from the golden age of cast metal — how bells are founded, why brass is not bronze, what a cupola melts and a core withstands — by Simpson Bolland, the trade's great teacher.
An attachment cast to or bolted on flasks. Two or more snugs meet at the joint of the flask; one set has pins, the other holes to receive them, constituting a guide. See LUGS.