Originally Posted by
Jack Napier
As I mentioned, this is an example with a massive core, that could pobbilby rip a delicate cork apart.
This is the kind of helix I'd recommend
This is an excellent illustration, I totally agree. A corkscrew should not have a core, but should have a helix such as the one pictured.
I use what I suppose is a "waiter's friend" type bottle opener from Laguiole en Aubrac.