Morley Field, a reference to the San Diego restaurant's neighboring Balboa Park, combines rhum agricole with a honeydew lemongrass syrup for an "opposites attract" kind of experience in a summer cocktail, says Trust bar manager Jess Stewart. The syrup's juicy melon sweetness and herbaceous citrus contrast the rhum's light, crisp notes, making for what Stewart describes as a more "unique, savory sipper."