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Would you like to make your Ultimate Silicone STP or Moby STP (STPs sold separately) into an erect prosthetic that you can use for sexual play?
This flexible silicone erection rod can be inserted into the shaft of either of the two STPs listed above, making the shaft firm enough for penetration.
When it is time for sexual activity, simply add water-based lube to the rod, slide it into the shaft of the Moby or Ultimate Silicone STP (sold separately), secure the now-firm packer into a sturdy play harness, and then you're good to go!
Material: 100% silicone