No muscles needed for this easy steamer. Wrinkles disappear as an electric steam pump does all the work. Also includes a hanging loop, detachable fabric/lint brush, and travel pouch. Continuous Steam ... No Need To Pump! Model GS15RN Removes wrinkles from garments and drapes.Safe on delicate fabrics High velocity steam Features Include:Easy to fill water reservoir, Electric steam pump provides continuous jets of steam, Hanging loop for convenient storage, Removable fabric/lint brush, "Continuous steam" trigger 650 watt heater for quick results, Travel/storage pouch included.