Dr. Wetbrain was reminiscing one day about the challenge of opening a beer bottle. There were strange beer bottle openers in the day.
Before twist top beer bottles became popular beer fans needed a bottle opener. Note: some tight twist top bottle caps did need an opener.
Alfred L. Bernardin of Bernardin Bottle Cap Company, Indiana patent the ‘bottle opener’ on July 11, 1893.
So, there were many bottle opening technics created during this desperate situation. First the bottom of the Bic disposable lighter to flick the cap off was most popular. Unfortunately, the plastic casing was getting chewed to a point where fire safety could be a factor.
In 1970s the stubby beer bottles were the only thing and everyone had a bottle of beer between their legs while driving. In that era no one wore seatbelts, so the insert of the buckle was the perfect beer bottle opener. I think the police even had a beer between their legs while driving.
If all else fails to open a beer you can use 2 full beer bottles to open one bottle using the caps of each bottle. This actually works; I used this method a lot.
Then there are the bizarre bottle openers. I knew a few people that used their eye sockets as a bottle opener, and some used their teeth! Personally, I think that it was a drunken magic trick where the cap is loosened before they say, “Look at me”.
Then there is camping or in the boonies where you must be inventive to have a bottle opener. Fire logs work also rocks that have edges. Even a bone from some dead animal.
Dr. Wetbrain was staring off into the distance thinking that at one time it was difficult to open a beer.
and at what temperature. There is a due date. Think of beer like milk. Drink Grandma’s 50-year-old lost bottle of beer would not taste good and flat. Even with transport and storage we must look at 
