Hello,
After I got the Helix Syn early this year, I thought I would share my experiences with you.
I was lucky to experience what I believe to be P-waves )or even a mini-O?( when I had only my second aneros session. I had recently discovered a video which catered to my fetish and what I did – well, I simply tried to imagine being one of the actors. With sufficient practice, you can actually convince yourself to experience the same feelings. The feeling of having the pleasure expand from my navel and wash over my whole body was amazing. I later also discovered a wet-looking spot on my sheets but I couldn't remember cumming, so that was quite some precum there.
However, as I see it, this was a mini-O brought about by concentration and especially through the help of media )porn(. Watching it, I assumed the same positions as shown in the video and my power self )"subconscious( actually produced the contractions to mimic the sensations felt in the video.
The ~10 sessions since then I haven't had the same sensations but the last few times I focused on relaxation )once with audio, and just yesteday without anything(. I found that a very relaxed state really helps to promote quite strong involuntary contractions, and it is really important for me to "let go" and assume an "observer" state – just feeling the sensations as they come, without chasing or judging, but simply appreciating them. Rhythmic breathing helps – I think it's quite important to remind oneself just to keep breathing, no matter what happens in life :-(. Stopping breathing is often in anticipation of something or a fear-based response, but reassuring myself that the right feelings will come at the right time, it is easier to let go and just keep breathing.