Here's what happens to your knuckles when you crack them Vox 1:35 9 years ago 64 872 284 Скачать Далее
How Harmful Is It to "Pop" Your Knuckles? Institute of Human Anatomy 8:35 5 months ago 1 769 812 Скачать Далее
Actually SEE the Bubble when a Joint Makes a Cracking Noise Science Editor 0:36 8 years ago 317 569 Скачать Далее
90 Seconds Of Satisfying Bone Cracking Porn BuzzFeed Multiplayer 1:32 7 years ago 2 811 987 Скачать Далее
The sound of 5000 peoples cracking knuckles on Ludwig's show Elchron 0:30 1 year ago 21 131 Скачать Далее
Arthritis Doctor Explains: CRACKING KNUCKLES GOOD or BAD Violin MD 6:58 3 years ago 820 437 Скачать Далее
Knuckle cracking compilation #1 #knucklecracking #bonecracking jop June 0:33 1 year ago 4 180 Скачать Далее
