They're thrusting and jiggling at just the perfect speed to make it almost effortless. The limiting factor at this point is how long the guy can last, or how long her vaginal lubrication does.
Source: gifeye.com
File size: 0.6mb
Number of frames per loop: 9
Number of thrusts, bounces, or jiggles per loop: only 1 (but it's a good one)
