Yes, good question... Experience! I'd like to know more details about ST9 Multibody improvements...
Does anybody know how to move a feature from 1 body to another?
It sounds like a simple thing to do, but if this was possible, it would make things a lot easier for us.
It is depend on types of features, but you can use copy/cut and paste, or editing features.
Here is an example:
I hope/know this will be simpler in ST9!