Instead of manually tampering with Partcut, go use
PartCutGen.
Whenever you download someone's mod and it causes holes in your body (Because the mod removed some parts, or made them more skimpy) then all those parts to your exclusions txt files. (Just a short search term would work, for example
plw_10_*_0070* would uncut all Shai's BD9 outfit parts. Then it's just a matter of running PartCutGen, and voila your Partcutdesc is updated to the latest version with all newest outfits fixed (not causing clipping issues) for any class you have not modded, and no holes for any outfits you have modded.
If only there was a way to easily keep your partcut updated without any effort... xD