Concentrated capsaicin paste (the stuff in chili peppers that makes your mouth feel hot) applied to the pussy.

Human powered fucking machine

The queen of rough sex (more in comments)

Emotionally overwhelmed [sound]

Mya McKay doesn't like being slapped [sound]

"Miriam Weeks, known predominantly by her stage name of Belle Knox, is an American former pornographic actress. She is known for performing in pornography while studying at Duke University." [wikipedia] (1/3)

Anita Blue had never been pissed on before. She breaks down in the beginning of the shoot when he pisses on her face. This clip is from the end of the shoot, right after the cumshot, where he persuades her to let him do it again. [sound]

Intense faceslapping

"Baby look at the camera and say thank you daddy" - "Can we talk about that?" - "What happened, was daddy in there or something?" - quiet sobbing sounds then the video cuts to the facial

Danica Dillon at the end of her third and final FA shoot - the cameraman calls the site owner - "I'm never working for this company again" "I can't do it, I can't handle it, it's not for me" - he humiliates and degrades her over the phone - "You're a stup

The human blowjob machine

His no-limits toy

Stranger danger

Interesting

Packaging tape mermaid

Tubing goes into her nose and out of her mouth to secure a ball gag, making it physically impossible for her to push it out without causing permanent damage.

The abuse of Kyra Steele, resulting in several meltdowns during the 40-minute video.

Nacho vs. Kara (more in comments)

Roxy Bell gets gang-raped

Such intense blissful pain [sound]

True abuse porn. Gia Paige in her first ever porn video. (sound link and more info in comments)

Cervix abuse [sound]

Rethinking her life choices

"The difference between you and I is I have self respect and I would never do something like that. I just film idiots like yourself." (sound link in comments)

High sensitivity after clit pumping. This is by far the most intense overstimulation I have ever seen (sound in comments)