Frenchie

Serving One Thirsty Adventurer

Combine in an ice-filled shaker:
 - 2oz Jack's Gin#1 London Dry (OR #5 Pink)
 - 1/2oz Chauvet Elderflower Brandy Liqueur
 - 2 1/2oz grapefruit juice
Shake until chilled and strain into ice-filled highball glass. 
Garnish with a grapefruit half-wheel.