While locked I've been doing deep breathing and kegel exercise, I get a great sensation in my prostate. Has anyone else experienced this?
Yes, in fact I have experienced a couple of bursts of energy that felt like mini orgasms, and I have also ejaculated from doing the breathing and tensing - no toys or porn, just meditating - it really took me by surprise. We're working towards orgasm without ejaculation, and my KH wants me to learn to never ejaculate, so this is part of our practice.
It's part of the recommended procedure when using an Aneros prostate massager and yoga. Take a deep breath when exhaling contract your kegel muscle, similar to stopping your stream of urine when you pee
Breathe in slowly through the nose, hold for a moment, slowly out through the mouth. Relax on the in-breath, rest of the time tensing. I tense all of my core muscles and I imagine that I am breathing in cool blue energy, and pushing it down as I tense, so it mixes with hot red sexual energy. I hope that makes sense.