In a small bowl, stir together rice vinegar, soy sauce, dark soy sauce ... Reheat the same wok, Put in another tablespoon of oil, add in garlic, ginger, and red chili flakes. Stir-fry over low heat ...
It's also a solid base for homemade vinaigrettes — just mix it with olive oil, garlic, and mustard for a dressing that pops. And if you're whipping up a teriyaki marinade, unseasoned vinegar ...