Appeared in 4K video! SM play in high image quality and in an easy-to-understand manner! Overwhelming volume 4 hours! Restraint play, bondage play, whipping play, candle play... Ranki Kazami, a bondage master, will carefully explain the basic techniques in all 42 types of SM play with practical videos that are easy for beginners to understand. (Supervisor / Lecturer: Ranki Kazami) Nicknamed "Villainous Rope Master" due to his strict blame, he is active in a wide range of fields such as magazines, AV, and SM shows. Currently, he is actively expanding the range of his activities not only in Japan but also overseas, including shows and workshops. 〈Contents〉 (1) Risks of SM play (2) Restraint play ... Collar / Handcuffs / Limb Restraint / Chair Restraint / Bed Restraint (3) Bondage Play ... Front hand binding / armpit exposure / arm restraint / back hand binding / lap strap / diamond binding / back hand chest rope binding / stepping rope / both arms straight extension binding / M-shaped spread leg binding / one-leg hanging (4) whipping play (5) candle play.