How to open a beer bottle using a chain saw

A movie that opens a beer bottle with a chainsaw without using a bottle opener. It is a way to open it by surprisingly asseriing if it thinks whether to cover the lid part with a rotating blades exquisitely. However, as it is still dangerous, please do not manage it.

Details are as below. It opens without any problems.
YouTube - Stihl MS 180 Miller beer bottle chainsaw Bier Kettensage


I thought that there is something tricky because it opens too easily, but there are others who are open as well.
YouTube - Beer bottle opened with a chainsaw


This is a movie that challenges to open a barrel of beer with a chainsaw.
YouTube - One Smoking Barrel