Jay Wiseman
Jay Wiseman is a prominent BDSM writer, speaker and practitioner. His popular book, Sm 101: A Realistic Introduction, is considered to be one of the best introductory books on the subject.He also wrote a well regarded introductory book on bondage called Jay Wiseman's Erotic Bondage Handbook ISBN 1890159131 and other books dealing with the enhancement of sex life.
