Improves Milk Flow, with multiple vibration modes help to express breast milk, better empty the breast, restore your flow, and make breastfeeding, nursing, and pumping, easier and more comfortable. A true breastfeeding essential. Helps with common breastfeeding challenges like clogged ducts, mastitis, engorgement, and tenderness. Easier, more convenient, and more effective lactation support than hand massage. Give your hands a break!