advise me please what's next after vice? option for more?

I think I remember a user that was around here, no idea if he still is, by the name of Darwin. I think I saw one of his videos and he didn't seem to skinny as well, but was able to Super O with smaller models. Not saying that being overweight doesn't have an effect, but aneros is about effectiveness and not about size. Before transitioning to a bigger model I would suggest looking at the points below to see if you have missed something during your journey.

1. You need to be truly relaxed! Yes, I know this had been said like a billion times here, but sometimes you think you are relaxed, but you just aren't. I realised and learned to truly relax by listening to erotic hypnosis tracks. Try it and start with Nikki Fatale. Look on the web which tracks of her are best for beginners. She has a nice, sexy and soothing voice, but she is also less direct. There are some erotic hypnotists out there that have some 'extreme' submission femdom tracks. Nikki Fatale isn't like that. It's femdom, but not so 'extreme' that it becomes uncomfortable. It may take some practice listening to erotic hypnosis tracks, but when it works and you are susceptible to erotic hypnosis, you will learn not only how to truly relax, but also how to let the sensations generated by the aneros go wild and go on and on, which is needed to go from p-waves and regular O's to Super O's. After you have learned how to truly surrender and relax it is advised to stop erotic hypnosis.
2. Be aroused! This has also been said like a billion times on the forum. Arousal is not simply having an erection. Mental arousal is also needed for the aneros, not only fysical arousal. Erotic hypnosis helps with this. Think about your fetishes and fantasies and try to use them to reach new heights and give you the push you need.
3. Let go! A problem that I experienced and could still sometimes experience in the future (I recently had what I think was a Super O so I don't know if I really am rewired and I also don't know if I can replicate the incredible session I had easily) is the ability to let the build up of sensations last long enough to reach a Dry, Prostate, Anal or Super O. Listening to erotic hypnosis tracks that work for you helps you to go into a trance and helps you truly relax, which helps you to let the build up of sensations last long enough for you to reach a Dry, Prostate, Anal or Super O.
4. Don't be so impatient! This also has been said like a billion times. Impatience forms some sort of a barrier when trying to reach a new breakthrough or when trying to reach a Super O. Like every journey things and steps take time. Treat yourself to every sensation, but don't lose sight of what you want. Also count every breaktrough as a breakthough and let it give you hope on reaching a Super O.
5. Write down your experiences! This can help you remember experiences and sessions that were succesful. By doing this it could become easier to remember and use succesful choices, but also findings you made in particular previous sessions. Replicating succesful choices and findings can help you on your journey to reach the next step.
6. Research! This has two aspects. The first one is reading experiences of others on the forum and what they did. Try to think if something someone else tried would work for you or not. If you don't know try it out and find out. The second aspect is that sometimes things you try out don't result immediately in progress or new sensations that would lead you to a Super O. This does not necessarily mean that the thing that you tried won't work for you in the future or is not the thing you were looking for to reach another breakthough or Super O. Researching means you know for certain the thing you tried works or doesn't work. Sometimes a certain position for example feels good, but doesn't enhance the sensations of the aneros. When this happens it doesn't mean it will not work in the future and maybe the position you feel comfortable, but doesn't generate any sensations at the time may work if you combine it with a different way of thinking or arousal level. Be thorough in trying things out and figuring out what works for you and what not. So don't try many different things back to back!
7. Less could be more! Don't think that you always have to use contractions to reach a Super O. Using contractions could impede your ability to relax. Contractions may feel good, but if they impede your ability to truly relax you may want to reconsider using contractions. Try to use the 'do nothing technique' if you are not able to relax while using contractions. Again try to find out what works best.
8. Try different moments of the day for anerosing! Having an aneros session at night could have a psychological effect that enables you to relax more. Knowing it's night could have a relaxing effect for you, but also the room that you use (with lights out) will be darker which could enhance relaxation. Anerosing at the end of the day when you're more tired could also help you relax better.

If you think that size is still the problem than the only model that can be adviced is the regular progasm. You have already tried out the Vice which is one of the bigger models. Again, aneros is not about size but about effectiveness. One more thing you could try out is this: https://community.aneros.com/forum/discussion/16206/using-the-force-039a-new-way-to-rewire039#Item_29 This has helped many people and can help you as well. For more stories of my journey you can visit my blog here: https://community.aneros.com/forum/discussion/16099/super-o-a-story-about-my-journey-that-could-help-others-#Item_32 Don't limit yourself only to the stories or blogs of one person. Try to read what others have done and see what works best for you. What works for another may not work for you. Good luck!

Thank you for your detailed answer. I am familiar with relaxing music, studying brain waves music. I shall try out the advised erotic tracks of Nikki Fatale for example.

Oh btw, I saw that I said that I use porn, but I quit doing that. I'm not saying this only with relation to the naeros. I advise you to not look at that as well, because it has many disadvantages. I edited the post for correct reference.