An incredible way to cut glass jars and bottles!
In the web there are several ideas that are supposed to be do-it-yourself, but whose feasibility is actually not so real.
There is, for example, the idea of using cut glass from bottles to create objects with interesting designs. However, cutting glass is not so easy, and to do it well, specific machines and tools are needed.
Nevertheless, this video promises to demonstrate how to eliminate the neck of a bottle, easily and safely, with just water, oil, and a blowtorch. Look at how the break in the glass occurs exactly at the level of the oil surface! Amazing!