Watch the incredible Rub joy pleasure robot as it hungrily devours a throbbing, rock-hard cock with its silky soft sleeve. With great precision and drenched in slippery lubrication, the machines relentless strokes mimic the sensation of a wet, eager mouth, sucking and slurping with ferocious intensity. Rub joy's mechanism is insatiable, watch as it engulfs a pulsating shaft, greedily massaging it with its warm, supple interior. See the device's masterful stroking action that imitates the most skilled mouth, lapping and teasing until an explosive climax. Imagine the sensations that Rubjoy's advanced dual motor robotics can create with the velvety soft sleeve at it's control, as it slides, twists, and gyrates up and down, swallowing a thick, throbbing member with unbridled enthusiasm. With each sensuous stroke, the device's tantalizing motions mimic the tight, wet embrace of a slippery mouth.