small simple bottle opener

He does what he must -> Open bottles.
It was important to find a bottle that is small, inconspicuous when worn on a key ring. He is definitely. Whenever he was not used up to now, but it works.

Why 4 stars?
Four stars there are, because the functionality given, it is small, unobtrusive, and easy and simple operation has.
The only downside, therefore only four stars is that of course there is wear by the easy way. But watch for those who have just a beer once no personal Opener (person who opens the bottle with propritären means) there.