Double Grape
Orange zest twist (discarded) & 2 red grapes
STIR ingredients with ice and strain into chilled glass.
[['5.25 cl', 'BarSol Mosto Verde Italia Pisco'], ['5.25 cl', 'Byrrh Grand Quinquina'], ['1 dash', "Bob's Grapefruit Bitters"]]
[['5.25 cl', 'barsol mosto verde italia pisco'], ['5.25 cl', 'byrrh grand quinquina'], ['1 dash', 'grapefruit bitters']]