This only partly has to do with masochistic pleasure, Sir Henry,
strokes of the cane or whip lashes in the genital area trigger strong stimuli, and these sensitive areas of the body can only react in one way besides the pain...
View attachment 1477577
This pussy also leaks under the whip (Nikki), but the leather just keeps tearing the slime away - so it's easier to see in the film than in individual photos. But I'm sure poor Nikki is suffering terribly!
It is also often observed that the pussy starts to leak during striptease picture sequences. Is the model aroused by her own exposure (exhibitionism)? Maybe, but it could also be a simple reflex, normally, she would expose herself in front of her partner and then have sex with him - this is what the body instinctively prepares for