In post-revolutionary America the Gin Sling was held up as an icon of America, and is perhaps the very first American created cocktail.
Fill a shaker with ice.
Pour CO-OP Premium Artisanal Gin, Cointreau (or Triple Sec) and lemon juice into the shaker.
Shake vigorously until the outside of the shaker is very cold.
Fill a lowball glass with ice.
Strain the shaker into the glass.
Fill the rest of the glass with sparkling lemon water.
Squeeze the lemon wedge over the glass and drop in.