Nipple suckers are small cups that draw the nipple out with vacuum. Twist-to-pump tubes, squeeze bulbs, and simple suction cups all show up in this category. The look is a lifted, swollen nipple; the feel is a steady pull rather than a pinch.

A little water or lube on the rim helps the seal. Too much vacuum leaves bruises that look like someone tried to drink ink through the skin. Short sessions first. If you already have piercings, cups may not seal or may tug jewelry in a direction the piercing did not agree to.

Release vacuum before you pry the cup off. Yanking a sealed cup hurts in a dull, unhelpful way. Wash the inside of the cup. Milk and sweat collect there if you use suckers during lactation play, which some people do on purpose and should only do with clean gear.

Limits

• Stop for sharp pain or color that stays white after release.
• Do not sleep in suction cups.
• Glass cups show the seal; cheap thin plastic collapses.
• Keep separate from anal toys in storage.