1. Installing lighter: With adjusting screws in the bottom which can be adjusted up and down according to the length of the lighter. 2. Placing cigarette: Putting the smoke in the case, from left to right one by one. 3. Pushing cigarette: push cigarette out from side button, feeling smooth and easy to operate. 4. Taking out cigarette, fine tobacco storage design, smooth, no tobacco stopped. 5. Lighting up a cigarette, slim design, easy to carry, free access