➤How to tighten the red screw correctly ? please check the mainland picture or the video link, thanks !<br><br>https://www.youtube.com/watch?v=Pympb3B0jXc<br><br>➤If you want the version for Ronin S, please check this link:<br>https://www.amazon.com/dp/B07L3Q72TB?ref=myi_title_dp ! <br><br>● About the shipping : we will use fast delivery, such as DHL Express, so you will get it soon !<br><br>●After Service: If you meet any problem about this item, please feel free to contact us, we will help you solve it. <br><br>