The pressure of the air will either break the bottle or, hopefully, push the cork out.
In needle cork lifters air is pumped manually or gas is injected into the area between the liquid and the cork. A needle with holes near the point is pushed through the cork.
A needle cork lifter of the WMF company, Germany.
It works, but, to your own safety, please read the operating instruction !!!
material:steel, plastic
marking:
WMF
Germany