Tenga 3D Spiral Male Masturbator

Tenga 3DSpiralSleeve Male Masturbator, A form created from winding hexagonal plates. Both the varying sensations of the spiral form and the detailed ribs of each step of the walls combine to provide two separate stimuli catering to those adherent to both hard and soft sensations.

https://www.youtube.com/watch?v=qvLGg7m04Gg