I can probably compile a unity package with the needed FX, toggles, and Phys-bones if you would like. send me the package you are using through discord (pm me for my discord). Just pm me, add me on discord, and lmk what you need done to make the model useable in your eyes!
I gotchu homie, thats included in one of the other Disko Rex posts, heres a link to both that top and a bunch of other clothes:
Download Link (workupload.com)
(credits to the link maker! )