Oh those lovely hanging balls. Those are the tools to make me cum handfree.
On my fours arse up high my top pumping deep and every time his groin hits my cheeks his balls slaps on mine. The way to heaven.
Hot! I'll move my ass down the sling more! I'd love to feel and hear your low hanging balls slap my arse for an hour or three... or better still move me around and give it to me in any position you'd like.....