Nipple Pumps - A nipple pump is used by placing it over the nipple, pump it up and soon enough you feel experience a great sensation. You will soon see that it makes your nipples grow harder and bigger for a small amound of time. Hot Stuff has different nipple pumps like the Fetish Fantasy Auto Vac Breast Pump, that will make your entire boobs grow bigger for a while. And for extra sensation you use the vibrating nipple pumps. Do you like a manual toy? In that case you'll use the squeeze and please nipple suckers.