yocada looped-end string wet mop heavy duty cotton mop commercial industrial grade telescopic iron pole jaw clamp floor cleaning 55.1" yocada <b>how to install the mop head: simply rotate the screw above the jaw counter-anticlockwise to unscrew the part like a star, use your strength to put the mop head into the jaw clamp, <br>and then clockwise to fasten the mop to the jaw.</b><br><br><b>looped-end string wet mop package include:</b><br>3 iron poles<br>1 mop head<br><br>we are confident that you will be satisfied with our product. <br>in the unlikely event if this product is defective or it's not what you expect, please contact us first before contacting amazon.