He Was a Sexual Beast!!

She had ways to chain his savage lusts!
Looks like the masked dominatrix uses manacles instead of ropes or chains.
The cover copy makes it sound like an orgasm denail, enforced chastity novel but that is unlikely.
Similar Femdom Art:

Hmm. He’s got long hair – must be a well-muscled hippie, a surfer dude, or this was drawn in the mid 70s.