This package is the best way to start and progress in wing foiling, ensuring you invest in a system that grows with you. Slingshot’s One-Lock foil system offers tool-free assembly, allowing for the fastest and easiest possible setup, and includes an excellent lineup of wings for future additions to meet your performance needs within any foiling discipline.The One-Lock system eliminates the hassle of multiple screws and loose connectionsjust lock it in and go. Less time assembling means more time on the water, having fun and refining your skills.