bone

I'm not sure were I was supposed to post it so I apologize if it's not the good section This guy's channel is about animal specimens from museum, this one is only bones with some schematic view including coyote, bears and rodents https://youtu.be/KhsA1YIBe_E

Hi there! I wanted to look for knowledge from everyone here on how is it that you place yourself when being mounted by a dog, my reason for this is that the last times I've tried some fun time with him, him thrusting actually caused me to bleed quite a bit, I imagine from poking something...