The tenon is reduced and it is time to remove it. If you are not going to power sand the bottom you may wish to sand the bottom now and leave yourself as little hand sanding as possible.
Woodturning an Incurved Winged Bowl - Page 12
Similarly to turning a hollow form the tenon on the bottom is turned away to a nub and removed with a sharp chisel.
You do not want to snap off the tenon as it will undoubtedly tear some of the grain away with it. Instead I bring up a very sharp carpenter's chisel, bevel down, lathe off. I gently turn the lathe by hand, levering the chisel into the tenon.
The tail stock is taken away
and the tenon is laid on the ways to be photographed.