Frida Baby Windi The Gasspasser for Baby Gas Relief and Colic Calm, Infant Gas Drops Alternative, White, Sometimes baby's full of it. Gas, that is. Skip the drops and use Windi to instantly free stubborn gas stuck in the baby's pipes. It's completely safe, doctor-invented, and the only natural instant solution for gas relief. Single-use hollow tube that inserts into the baby's bottom to instantly release gas, when inserted. The Windi is long enough to reach past the muscle that traps the gas and stimulates the sphincter but has a stopper so you can't go too far.