... Aluminum stick can be longer and shorter3. Combine upper tray with mop tray, step lightly and its easy to install4.”Planet Gear ... and step the treadle to wringdry the mop8. Disassemble mop tray, hold stick and pull sloping, it will apart.Advantages: ... secureNew device, strong,freely control the mop head's humidity, with cleaning, vacuum,water absorption effects, time-saving convenience, quick drying ...