Thanks to Gana for these meshes.
Do not set your version as derivable.
Feel free to use the UV maps below.
Copy then paste them ontop of your desired textures and set them to 'overlay'.
Thanks.
Band:
 photo SpikedStuffBandTexture_zpsf1275b62.png
Spike:
 photo SpikedStuffSpikeTexture_zpsaeeae3ef.png