wait why cant you cess slide? I feel like if you can royale you can cess slide, at least I know I accidently cess slide when I mess up my royales sometimes lol you must be able to do it, I BELIEVE IN YOU EVEN IF YOU DONT BELIEVE IN YOURSELF!!!!!!!
I thought I'd never be able to do topside tricks, thought my ankle just couldn't bend that way. Eventually I was able to pull it off. You'll catch a cess slide one day