NPCBelly bone/node weight paints have been increased These are the BILF Body Slider set by SavrenX but I made the following edits:
I did my best to make it look smooth but these things are never perfect, especially considering the mesh is intentionally stretching out. After years of being unable to find a proper mesh edit/slider set for SAM to be able to use with belly/pregnancy mods and the like I got fed up and decided to make my own edit.