The steam comes out of mama's head and softens microwave dirt and stains for easier cleaning. To use: first remove angry mama's hair and head from body, then add vinegar and water to fill lines on the body, add a squeeze of lemon Juice (or essence) to liquid for a pleasant odor Replace her head and hair parts then microwave for 7 minutes on high and allow to stand for 2 additional minutes. Angry-Mama's arms stay cool to the touch making her easy to remove from the microwave after use. She is also dishwasher safe making clean up a breeze.