Quote - I've got in my head that control props can interfere with dynamic cloth-but I may be wrong. Cage- are those little colored spheres deleted during WM conversion? I seem to recall a problem with getting the sleeves to sim properly with M4 and the M4 Fantasy Robe-I'll have to see if that happens with the V4-Fantasy robe and V4-WM...

Yes, those were zombie helper bones, seen only in the earliest tests of clothing WM conversion.  They're not the same as the control props.

It is possible that the control props interfere.  Possibly Poser automatically assigns them some kind of geometry internally, or something.  On the cr2 level, they have no geometry, however.

There can be problems with cloth colliding with actors which use objFileGeom external geometry references (as is the acse with helper bones).  Collision for these cannot be deactivated, and to prevent unwanted collisions such actors muct be embedded in another actor which is set to collide, or else pulled out of the way using morphs or magnets.

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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.