トーク:ローマSM事故

https://fetlife.com/groups/51/group_posts/1756044 　News reports on the bondage death in Italy

http://www.tinynibbles.com/blogarchives/2011/09/shibari-extreme-sex-and-anti-sex-prejudice.html　Violet Blue

http://therealpornwikileaks.com/2011/09/shibari-bondage-sex-act-ends-in-death/#comment-713　Barbie Latza Nadeau