The monopolar e-stim toy you need besides your e-stim device in order to create a proper circuit for the current to travel on. The extra spiny spencer has small wheels that provide gentle to intense stimulation to all body parts.
It impresses with over 100 spikes made from steel, so it always hits the right spot.
Whether you decide to use Spencer's wheels to provide gentle stimulation or simply let its electrical impulses bring you intense pleasure, is entirely up to you.
