At the May FVWG monthly meeting we saw a number of wood coring systems.
Here are a few videos with more on how to use them. And one of them is by John Spitters!
Woodcut Bowl Saver
McNaughton Center Saver System
Making Platter Blanks with McNaughton System
Oneway Easy Core System
And here is the video from our very own John Spitters.
Nice job John!