When I finish turn a bowl I first reshape the tenon, then finish the bottom 1/3 of the bowl. Then I turn the bowl and mount it in the chuck. I first finish turn the outside and rim. I also sand as much of the outside and rim as I can reach. When I turn the bowl I use my vacuum chuck as a jam chuck and use the tail stock to hold it until I want to remove the tenon, then I use the vacuum chuck and take the tail stock away. I've noticed that when I get to the final step the outside has moved due to moisture loss or tension in the wood. Usually I don't try and do anymore to the outside because there isn't much support I have two questions: 1) Is this process similar to the process you use 2) Do you try and finish the outside in the final step or allow for some slight irregularity.