You won't need to comb the beach to make this tasty treat - quick, easy and sinful! Pour the caster sugar into a saucer. Rub the wedge of lime around the rim of the cocktail glass then rub the rim of the cocktail glass in the sugar. Keep the lime for later. Fill the shaker half full of ice cubes. Into the shaker add the rum, the maraschino liqueur, the cherry brandy, sugar and the lime juice. After ensuring that the lid is secure, shake vigorously.