Add overproof white rum, lime juice, rich sugar syrup, Angostura bitters, and chilled water to a shaker with ice.
Shake vigorously for 10–12 seconds until well chilled and diluted.
Strain into a Collins glass filled with crushed ice.
Garnish with a skewered orange slice wheel and maraschino cherry sail. Serve immediately.
The Jamaican mnemonic 'one of sour, two of sweet, three of strong, four of weak' is the original blueprint for this drink - lime, sugar, rum, and water in a 1:2:3:4 ratio. This recipe compresses those proportions slightly for a more punchy, modern serve.
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