The Avent Niplette consist of a transparent nipple mould with a sealing flange, attached to a valve and a syringe port. It works by applying gentle suction to the. Enjoy powerful suction with this triple set of demurely sized suction cylinders. Just apply to any area that would benefit from increased sensitivity and blood flow. If I were to use nipple suction, would I get a larger, fatter nipple? It seems to be only temporary and it just makes my nipples drive me crazy for.