Forced orgasm electrode. You can also use the TENS unit while having sex. The best all in one wireless speaker you'll ever hear: January 25, Enchanting family photos show Duchess opening presents and playing with friends at alfresco party are revealed for the first time. Should my partner and I choose a male or female to create our first threesome? Shopbop Designer Fashion Brands. At the same time. If you have a medical TENS unit or "electrotherapy machine" at home, it can be used for erotic purposes.