@lesbentley - turning bend back on did lead to trouble, as you predict above.

I was thinking about the Replace Body Part with Prop function before I decided to try inserting the weld lines.  That made me think about trying to use PoserPython for the process.  Hopefully testing the process used in the above pose won't reveal too many ugly side effects.  I'd rather not drag Python into this....

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Cage can be an opinionated jerk who posts without thinking.  He apologizes for this.  He's honestly not trying to be a turkeyhead.

Cage had some freebies, compatible with Poser 11 and below.  His Python scripts were saved at archive.org, along with the rest of the Morphography site, where they were hosted.