Combining the idea of vibration attachment with an onahole masturbator sleeve, the Double Vision has two varying sized entrances, each offering a different penetration experience. The larger hole has swirling rows of "teeth" to nibble and bite you, while the tighter hole is a series of large nubs for stroking your head and shaft.
You can use the toy on its own or with a massager-style vibrator (also known as a denma in Japan), such as the Hitachi Wand or Fairy series, which will buzz and enhance the sensation you feel inside.
The Double Vision features:
