I've read several posts that warn against working with stuff
that has The Pith in it. Seems like cracks and splits will start
there. And it'll be a hole in the bottom of your piece - making
it impossible to hold water - though why that's important, since
most turned vessels / hollow forms will never actually hold
any liquid, is an issue is a mystery to me.

So what is it about pith that makes turning anything with
pith in it a No No!?

charlie b