Kink School: A Beginner's Guide To Bdsm 2001 | Severe Society Films | Runtime: 1h 58min | Series: Kink School
Kink School: An Intermediate Guide To Bdsm 2014 | Severe Society Films | Runtime: 1h 44min | Series: Kink School
Jessica Drake's Guide To Wicked Sex: Kama Sutra 2016 | Wicked Pictures | Runtime: 2h 34min | Series: Jessica Drake's Guide To Wicked Sex