The patented clip system locks the laces tight and keep them in place Attach easily and quickly Ideal for triathlons , marathons and team sports, but also to "attract " your laces during an endurance Personalize your look with the world's easiest lacing system, elasticized for convenience, security, and speed. Patented lock and clip system keeps laces secure and tight Quick and easy for one-time set-up Ideal for triathlons, marathons, and team sportsBright colors are reflective and help you be seen in low light conditionsCustomize the laces to your preferences