Blinker
Grapefruit zest twist
SHAKE all ingredients with ice and fine strain into chilled glass.
[['4.5 cl', 'Straight rye whiskey (100 proof / 50% alc./vol.)'], ['6 cl', 'Grapefruit juice (pink)'], ['1.5 cl', 'Giffard Grenadine syrup'], ['4 drop', "Bob's Grapefruit Bitters"]]
[['4.5 cl', 'rye whiskey'], ['6 cl', 'grapefruit juice'], ['1.5 cl', 'giffard grenadine syrup'], ['4 drop', 'grapefruit bitters']]