Electrastim Intruder Electro Butt PlugThe high quality laminated construction of the Electrastim Intruder Electro Butt Plug means the electrodes are built into the main body of the probe. This means the conductive surfaces will never become detached or wear out. You can also use this bi polar probe as a uni polar probe by just connecting one cable instead of two. Stimulation will only be felt on one side but by adding a smear of conductive gel across the base will effectively create a