Get the most shocking sensations when you pair ElectraStim conductive gel with your E-stim toys! ElectraStim electro conductive gel has been specially formulated for use with external electrodes. Using just a little of this clear gel will improve conductivity so you’ll feel more sensation during play. Lubricate cock rings, pinwheels, clamps and other external e-stim sex toys with just a pea sized amount. For external use only.