When using vibrators be sure to pleasure your testicles as well as your penis. if your uncut push your foreskin all the way back and
Use the vibrator on the naked glans for a more intense orgasm. the best old vintage vibrator i have in my collection is a brand called ALLOVER but very hard to find. the rubber cup is a little larger and feels so good.
The old Wahls work well too. if anyone out there uses vibrators, please send me a email and we can share techniques etc.