Secure helmet retention with a sewon installation Safe and fast securing: A sewnon solution that provides a secure hold for your helmet and speeds up fastening during use. 10 adjustable positions: Ten gear settings allow precise fit and tension for different helmet styles and head sizes. Speed clip quick release: Easy to detach and reattach without compromising security, saving time during stops or transitions. Professional chin strap buckle for any helmet: A buckle designed to work with a wide range of helmet chin straps, increasing reliability. Durable, compatible design: Built to withstand regular use and compatible with most helmet types through the universal buckle system. How it works Install by sewing on the strap assembly to a suitable helmet area. Once mounted, the 10 adjustment settings provide a tailored fit, while the speed clip allows quick release as needed. The professional buckle ensures secure closure on virtually any helmet model. use scenarios Daily cycling or urban commuting: Secure, quick don and doffing for stopandgo city riding. Skateboarding or mountain biking: Stable retention during bumpy rides, with fast release at the end of the ride. Industrial or construction environments: Compatible with hard hats and other helmets, offering reliable retention across gear types.