Vibrators, many kinds out there is a great way to have a good one. Adult films and working your self to the mood and fantasies while you are masturbating is another way to set the mood for your self.(perhaps play out any fantasies you have).
Some women like deep penetration while masturbating. One vibrator for clitoral stimulation while going in deep with another or just insertion and vibrating may be one way to achieve your thrill.
It really depends on you, you know what gets you exxcited the most, relax and enjoy the mood.
I have had women who can cum very quickly to some that squirt. I have also had some who said they could not but have eventually it takes time and you have to know what your comfort zone is. I had one girl friend who could not reach the BIG "O" unless she had anal insertion and that was her trick while I was giving her oral. ALl women are different.
Good luck and let me know.