Regarding the secure clips: Metal clips with plastic teeth prevent chafing on trousers, with two clips at each end. The shoulder straps are comfortable to wear and securely attach to jeans or casual trousers. Reinforced leather part: A reinforced leather design runs through the back to help secure the shoulder straps. Kangdai men's orthopedic insoles combine optimal fit with consistently high quality, durability, and tear resistance. Suitable for various occasions: Durable, stylish, and shiny. Suitable for all types of trousers, jeans, and shorts. We offer a variety of colors for you to choose from. Perfect for weddings, parties, walks, holiday gifts, and more. Adjustable elastic waistband: Men's orthopedic insoles feature a high-quality, highly elastic waistband for comfortable, burden-free everyday use. The shoulder straps are easily adjustable to ensure a perfect fit for everyone.