>Step One: Get an fetish-tastic idea that you enjoy and are passionate about.
>Step Two: Acquire character art that fits the themes / idea of the fetish, or just turns you on and through fluff can be morphed into being capable of fulfilling said desires
>Step Three: Make the character
>Step Four: Congratulations, you get play because it's clear through your profile what you're looking for with this character, how it arouses you, and potentially should be arousing to others to read.