Shark's Tooth No.1 (Trader Vic's)
Spent lime shell
SHAKE first 5 ingredients with ice and strain into ice-filled glass whilst also pouring soda water.
[['4 cl', 'White overproof rum'], ['1.5 cl', 'Lime juice (freshly squeezed)'], ['1.5 cl', 'Lemon juice (freshly squeezed)'], ['1 cl', 'Sugar syrup (65.0°brix, 2 sugar to 1 water rich syrup)'], ['0.75 cl', 'Giffard Grenadine syrup'], ['6 cl', 'Thomas Henry Soda Water']]
[['4 cl', 'white rum'], ['1.5 cl', 'lime juice'], ['1.5 cl', 'lemon juice'], ['1 cl', 'sugar syrup'], ['0.75 cl', 'giffard grenadine syrup'], ['6 cl', 'soda water']]