The Hidakan Flick Vagina-nyu Onahole by Ride Japan provides an awesomely snug fit. Its inner hole is lined with regular cubes that "flick" your member as you push into the vagina. This ensures uniform stimulation all over the full length of your cock, meaning you come with just a flick of the wrist.
The Hidakan Flick Vagina-nyu Onahole features: