Hello! Just thought these guides would be helpful for anyone trying to merge their ear and tail mods together :) Blender not required, everything is done through TexTools, though it might take a bit of manual texture-mapping if the initial merge doesn't work properly. Try the first (shorter) guide, and if that doesn't work for you (especially if either your ear or tail is missing, or if nothing happens when you try to use your mod!), try the second (longer) one.