Your finger will be the fulcrum that holds the lighter under the cap. As you push down on the lighter, your finger will keep it pinned under the cap until it pops off. Thus, the closer your finger is to the bottom of the cap, the better.
The lighter should be perpendicular to the beer bottle. [1] X Research source
It may help to angle the beer slightly towards the lighter. If so, push down parallel to the bottle to get the most force on the lighter. [3] X Research source
The lighter will be in line with the point of your middle knuckles. In other words, the long side of the lighter bottom will be parallel with your thumb.
If you’re right handed, your hand will look a bit like a backwards, lowercase “e. " The curve at the bottom is your thumb, the hole in the top is the lighter in your fingers. The bottle will fit in between, in the curve between your thumb and finger.
Do not use the rounded corner edge, as this is a smaller surface that can slip easily.
Use a door by placing the cap in the frame (the small metal square that allows the door to stay closed) and applying downward pressure to pop the cap off. Use a ring. Use an old CD.
