Hulk Hogan recently told CTV News that a battery pack in his back can make his nipples and "wiener" stand up. Here's the full quote.
"It's an electric stim you know? If the pain in my back is too bad and it goes to my head, there's an electrical current that I can turn on that will cancel out any pain waves; it pretty much makes you so you don't feel the pain. It's not a drug, it's just electricity. I've got like a garage door controller with all these buttons on how intense I want to make it, my nipples stand on end if I want to! And my wiener stands straight. It's much better than Viagra!"