Hi!   Actually it's is pretty easy to fix this. Example is from the "Paraguay.xml" hair in KS wigs for HDT-SMP ?xml version="1.0" encoding="UTF-8"?> <system xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="description.xsd">   <bone name="Sky188 Ponytail 1"/>       <bone name="NPC Head [Head]"/>     <bone-default>     <mass>0.4</mass>     <inertia x="10" y="10" z="10"/>     <centerOfMassTransform&