Well when I am going to rough a bowl I use a 4" faceplate that I screw on the side that will be hollowed out. After it is roughed and I have made my tenon I remove the faceplate, turn the piece over and use my chuck. When finishing a bowl I use the chuck until I am ready to remove the tenon from the bottom of my bowl. I then attach my jumbo flat jaws on my chuck and rotate the bowl so I can remove the tenon. Makes it so much easier with all the right tools.
Former A.F Staff Sergeant
From Alaska to Florida who knows for how long.