ProFusion™ Chassis™ Groms Tweakback™ Tool-Less Bender™ Ankle Strap Perfect Fit™ Toe Strap 100% Tool-Less Adjustment A binding that performs but forgives, is technical but easy to adjust, and looks great but is made to take a beating. The K2 YOU+H binding is everything a grom would want and more. With 100% tool-less adjustability, our forgivable Tweakback™ highback, and durable A-Line™ Chassis, this binding was diligently engineered with fun, freedom, and progression in mind. K2 Snowboarding Youth Snowboard Binding