01 - Fill two old-fashioned glasses with crushed ice and set aside.
02 - Pour orange juice, pineapple juice, lime juice, orgeat syrup, and simple syrup into a cocktail shaker.
03 - Shake the mixture vigorously for 10 to 15 seconds to thoroughly blend all flavors.
04 - Strain the mixture evenly over the ice-filled glasses.
05 - Slowly pour a splash of grenadine into each glass, allowing it to settle at the bottom for a layered visual effect.
06 - Place an orange slice and maraschino cherry on each glass rim, add a fresh mint sprig, insert a straw, and serve immediately.