Get your slut a few scrotal piercings... Start at 8 ga and within a few months you'll be able stretch to 6 ga. If he's got 4 or 5 6 gauges with nice sized beads in them it'll tap your clit and you'll go wild. If he like anal play, get him a couple of guiches and as he rocks they'll tap his perineum ans asshole and he'll go wild too! But remember, start small and gradually gauge up when it becomes easy.