I use Outfit Studio a lot when creating armor mash-ups for my characters, especially to zap off different armor parts. After seeing a question today in Skyrim General Discussion on how to remove part of a mesh that's all one NiTriShape I put together a real simple tutorial on the subject for that thread and decided to post it here for easier sharing.
Disclaimer: There are much more competent tutorials than this for BodySlide and Outfit Studio that cover zap sliders but I know how people just