Ouch. Those pavers and gravel would be brutal on the knees but I think I would suffer thru the pain to have the opportunity to suck that thick veiny dick and lick his smooth low hanging balls. After a few times of that I'd forget all about the knee pain
Great scene, would be better INSIDE the pool rather than her just on the edge of the deck. Cum in the mouth 8s always a nice touch, especially with her swallowing at least part of it!