The camera is on this amazing bubble butt of mine and perfectly catches these devastating knees, to what you wish were your balls :)

I shake it and I knee and I kick! You can also see me squeezing slapping and punching here!

The last part has me jerking him off while periodically stopping to deliver a harsh kick to the family jewels. I make him cum and give him a last solid kick to the balls immediately after he cums lol