Can ejaculate HF but not sure next step

Hi! 21 yr old male here.

I've had the helix classic for a while now. I like it a lot and it has always made my traditional orgasms a whole lot better but recently I have been trying harder to get hands free orgasms (HF) or super O's or prostate orgasms or just more powerful orgasms in general.

I can make myself ejaculate and orgasm without touching my dick but I don't think I'm doing it correctly. I put in my helix after not masturbating or having sex for a few days and then go through the process of letting my sphincter adjust and then the deep breathing and clenching and all that jazz. And it feels good, especially when I start with light holds and just try to hold those as long as possible. Then I watch porn and browse some of my favorite dirty sub reddits (all the while not touching my cock- I lie on my left side with my knees up or I lie on my back with a pillow underneath me to boost up my butt) and I try to focus on the feelings in my prostate. It all feels really really good but sometimes I have a hard time making sure to keep my sphincter clenched or I find that I'm flexing my cock instead of my ass or my abs instead of my ass. Regardless I feel something welling up inside of me and if I put my balls in between my thighs (really just separate my cock from my balls via my thighs) and extended my legs or sometimes just by squeezing my thighs I ejaculate. Sometimes I don't even need to do that, it happens anyways It feels amazing and I love it, but I know it's not a super O.