In a small bowl, whisk together cornstarch and water. Set aside.
In a medium saucepan, combine pineapple juice, rice vinegar, brown sugar, Elixir, and soy sauce and bring to a boil over medium heat. Stir in cornstarch slurry and cook until thickened, about 1-2 minutes.
Baste often over your favorite kabob combination while grilling.