Well, its like this, lots of lubricant and you have to take her SLOW. Apply min pressure and let the girl push back on you. She has to be really turned on and relaxed. If she tenses up it will hurt her. IF You go slow and wait til it goes in by itself, it should feel amazing to you. Now. I had the benefit of an older woman teaching me this. She said when it goes all the way in she just starts shaking in ecstasy and has herborgasm not long after. Supposed to be more of a full body orgasm. My girl LOVED it but she did say it hurt the first time I put it in her all the way. Then she got really into it and came all over the place. If its your first time the man has to let thw girl do the motion so you dont hurt her.