Thanks for the feedback, and for those who are wondering Xiao's signature specifically says not to contact him about using skin elements.
Xiao wrote:Yes, I use a custom skin. Yes, you can use my skins and skin elements for your maps. Stop asking me.
From what I understand you cannot skin the slider body but you can switch between 3 different styles using the .ini file for the skin. Somebody more experienced with making osu! skins may be able to shed some light on how skinning it would work.
Xakyrie wrote:do you think it's possible to make the slider body transparent? I think it would look amazing with this skin.