Erotic electrostimulation
Erotic electrostimulation ( abbreviated erotic e-stim and also known as electrosex ) is a sexual practice involving the application of electrical stimulation to the nerves of the body , with particular emphasis on the genitals , using a power source ( such as a TENS , EMS , violet wands , or made-for-play units ) for purposes of sexual stimulation . 
<triplet> sexual stimulation <subj> sexual practice <obj> subclass of