TENGA 3D Module is constructed with a delibrate mix of protruding and receding blocks. The protruding blocks will rub along your shaft for you to experience a firm sensation, while receding blocks grip you for an accentuating of tone. If you are trying out the TENGA 3D series for the first time, this is the piece that you should try.
With the process of reversing, washing, drying, and proper maintenance, this TENGA masturbator can be used up to 50 times, so do try this out with the various lubricants. Invert to use.