Vinyl’s Glow designs suits for Ponies, but not the openly worn wears you see at Canterlot. She also enjoys teasing the senses of Ponies with the materials of her choice. Even if she may enjoy wearing the suits herself as well.
I just recently started to write stories directly towards the FiM actively, though I have been writing for years, publishing numerous stories at Mibba and the eventual pony story, as far as to the MLP