4 Set Pant Waist Tightener Multipurpose Adjustable Waist Buckle Set It is easy to use on pants, jeans, skirts etc, to size down Adjustable Waist Buckles can be applied for collars, jeans, skirts, pants, etc., and it's suitable for women, men, teenagers, and adults, a great solution for your favorite clothes! Great little thing for your daily use! Different style optional 4 Set Pant Waist Tightener Easy to use Great Daily Use Gadgets How to apart the screw: There is a tiny bit of screw at the tip of the pin that dis/engages with the backing. just push the bigger piece up, Or pull the little one back(use your nail), then you can pull the whole thing out easily. Note: If you feel uncomfortable,It's because you buckle the button too tight, please