Vibrations

That thing on his arm isn't doing anything. He accidentally sat his asshole down on a cucumber slathered with Ghost Pepper sauce.

Everyone's grandparents will love this video.

I had to use one such device after my knee surgery to help restoring my leg muscles.

Felt nothing, so I cranked it up to its maximum. Still nothing. Tried it on my arm for giggles ... slight twitch at max.

Either he's faking or he has a "made in China" version.