The big stud bucked and squealed as the sander was pushed against his fat ball pouch and long throbbing stud muscle. The vibrations spreading pleasantly through his loins, even as the sand paper rubbed against that delicate flesh. A burning sensation that was barely felt over the pleasure those vibrations were providing him. Hot trickles were running down his taint and inner thigh's, but still his smiling torturer didn't let up. Watching amused as that long stud stick bobbed up and down in sexual excitement, long strings of pre-cum drooling onto that rippled belly.

Things were getting good, that hard cock was tensing and quivering as it got nearer and nearer to shooting it load. Those fat orbs aching as the vibrations bounced the around harder now as that small paw press the sander harder against that sack. And then the big stud squealed his hip's bucking against the restraints, as his cock erupted spurt a long string of creamy white stud milk across that furry black belly and chest. The stallion licking his own cream from his lip's as for the first time he began to feel the full extent of the damage down below...

"Oho fuck wha... what did you do?"

"Got ya off..." His tormenter smirked lifting the bloody sander up to pick flecks of flesh off it teasingly....