After several experiments, my first SMP .  I used only Outfitstudio to create nodes and bones and Notepad++ for generating the XML I choose the H2135 Tera Succubus Armor and enabled SMP on the tail.     Since it seems to work pretty well, using the tail on Tera's other armor sets will be a breeze. All I'll have to do is swap out the DDS files, rename the NIF file, and I'm all set. 😊