to cfrpilot :sounding is most effective not fully hard. In terms of depth this is "hitting a corner", the angle is the limit there, angled down toward her body more no reason this won't enter the bladder. That is actually quite a narrow sound. The narrower and more pointy the sound the more risk of injury like that.
Wow, she is super smokin' hot. I don’t care what she was doing, she’d get my cock hard. She could be doing an autopsy on my mom and I would be drooling and dripping precum.