Screwdriver (cocktail) and orange juice and supposedly invented by interned American fliers"; and in 1949: "the latest Yankee concoction of vodka and orange juice, called a 'screwdriver'". A screwdriver with two parts of Sloe gin, and filled with orange juice is a "Slow (Sloe) Screw". A screwdriver with two parts of Sloe gin, one part of Southern Comfort and filled with orange juice is a "Slow Comfortable Screw". A screwdriver with one part of Sloe gin, one part of Southern Comfort, one part Galliano and filled with orange juice is a "Slow Comfortable Screw Up Against The Wall". A screwdriver with one
Orange juice juice is referred to as "cut-back" in the industry and attributes to 7-10% of the total juice. Orange peel oil is also added if the oil content is below the required level. The concentrate is then further cooled in a continuous cooler or cold wall tank to 20 to 25 °F. The concentrate is canned using steam injection methods to sterilize the lid and develop a vacuum in the can. The cans then undergo final freezing where they are conveyed on a perforated belt in an air blast at -40 °F. After freezing, the product is stored at 0 °F