Do you measure your penis size every day?
Do you know how much is your sperm?
These guys do!
In this movie you can see Evan Rivers in sexy Doctor uniform doing it properly.

In Clinical Trails of Lust Each student gets measured (inspection) by Evan Rivers : Marcus, Gauge Damon, Roger and Osbe. Then Evan Rivers collects the cum of those hot studs in his sperm bank. The winner of this shoot of the test of ejaculation will be featured in part 2. Come and check them out and enjoy this amazing mens clinical trials. Not a bad way to start off my day.

Check out EvanRivers real amateur videos