Matthias Grimme
Matthias Grimme was born in Hamburg, Germany on June 24th 1953. He is an author, publisher, photographer and rope artist whose stage name is Tatsu Otoko. He is the author of many articles about BDSM, fetishism, and bondage. Likewise, he is a publisher of sadomasochistic literature and magazines. Matthias Grimme is the author of Das…
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