1Shake vinegar, 1/4 cup rosemary and 3 garlic cloves in tightly covered glass jar or bottle. Let stand in cool, dry place 10 days.
2Place 1 sprig rosemary in clear glass bottle. Thread 2 garlic cloves and the chilies alternatly on bamboo skewer; place in bottle.
3Strain vinegar mixture; pour into bottle. Store at room temperature.