<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.