So your partner only has one mouth and there are plenty of places on your body where that mouth could go. So when they're busy with one place, let these Kink Industries nipple suckers handle some of the duties. Simply place them over the nipples and squeeze the bulb. The nipple suckers will create a vacuum sensation when placed over the nipples. You can release the bulb and the nipple suckers will stay in place. They are simple, small and discreet -- ideal for at home or on the go. You get a pair of nipple suckers. They measure 2" in height and 1.25" in diameter. They are made of rubber.