Gamble

Use 2:1 rich simple syrup for its listed portion.

Chill an Old Fashioned glass in advance to ensure optimal temperature.

Prepare a garnish by slicing a wheel from a fresh grapefruit.

Combine Hayman's Sloe Gin liqueur, Hayman's London Dry Gin, freshly squeezed pink grapefruit juice, rich sugar syrup, and cherry brandy liqueur in a cocktail shaker.

Add ice to the shaker and shake vigorously until well chilled.

Fine strain the mixture into the pre-chilled Old Fashioned glass over crushed ice.

Garnish with the prepared grapefruit slice wheel.