Winkflo™ - Menstrual Relief BeltMenstrual Cramps No more Suffering from Chronic Menstrual Cramps? Period cramps suck. But for some reason we keep using the old, not good, solutions to help. A therapeutic way of decreasing cramping, resulting in ultimate comfort without any limitations to your daily activities! Winkflo is your ticket to cozy periods. It can be worn on your tummy or lower back. Its slim, lightweight design means you get instant relief whenever, wherever. No battery