Japan-Bondage: Das Bondage-Handbuch Spezial is a German-language book by Matthias T. J. Grimme, published in Hamburg by Charon-Verlag, a BDSM publishing house of which English Wikipedia says he is a co-owner. The German National Library records it as a 256-page book from 2011, and the retailer ebook.de lists a hardcover edition dated October 9, 2011. As its subtitle says, it is a special volume of Grimme’s Bondage-Handbuch, devoted to Japanese-style rope.

Grimme performs under the name Tatsu Otoko (“Dragon Man”). English Wikipedia describes his Das SM-Handbuch and Das Bondage-Handbuch as the standard German handbooks for BDSM practitioners and says that from 2000 he visited Tokyo several times, gave public bondage shows there and met Japanese riggers including Osada Eikichi, Akechi Denki, Randa Mai, Yukimura Haruki, Osada Steve, Hajime Kinoko and Kazami Ranki. According to the same article, his own style, which he calls the “Hamburg School of Bondage”, mixes what he saw in Tokyo with his own ideas.

His teaching site, Bondage Project Hamburg, names the book among his works as the Japan-Bondage-Handbuch and says that since 2001 he and his partner Nicole (Rope-Cat) have taught mainly rope bondage and Japanese-inspired bondage. This entry describes the book and does not reproduce its instructions.

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