Please read these articles:
I'm Ready for SEX! (or am I?) I really want to do it.
"Playing Ball" and How To Tips for Prostate Massage
This is also an excellent tutorial for people interested in and concerned about the how-to of Anal stimulation as well as play.
Welcome to the SI101 Board and its Forums. I hope you enjoy participating. Please begin by familiarizing yourself with the FAQs, the Posting Guidelines section, and especially the Index, all found at the top of the main screen. The Index contains links to helpful informative insightful as well as how-to articles. The site's Home page also has excellent information.
I hope this is of help. Got questions?