The Tryfun Black Hole Stroke Cup sex machine makes easy and convenient sexual pleasure available whenever you want it. To vary the stimulation you get from the device, insert a different sleeve like the Tryfun Black Hole Stroke Cup Inner Cup Roll and Soft. As its name implies, this inner cup provides you with soft rolling sensations all around your cock. The inner structure also includes a heater, so it's designed with spiraling protrusions that undulate gently for very pleasant sensations. The sleeve also features thick wings rolling around and large mouths that suck on you firmly, guiding your member toward a strong orgasm once you're ready to let go.
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