I never thought about it before, but in watching my newest video I notice that my ass muscles flex very strongly with each squirt. Do yours do that too?
Take a look at my video!
http://www.lpsg.org/Video-4128-all-sweaty-on-a-hot.html#watch
Take a look at my video!
http://www.lpsg.org/Video-4128-all-sweaty-on-a-hot.html#watch