Seattle Sports Sherpak Suction Cup Boat Roller Car Top Kayak Load Assist 1 Pack Location especially in sideways motion impulses XWLDB200 11 especially in sideways motion impulses to the ski are optimized as a result NNN Maximum Contact: The minimized space between boot and ski ensures excellent power transfer and sensitivity which adapts to all ski touring boots featuring a toe welt Once secured all you have to do is roll your kayak over the foam covered bars that gently cradle your boat during the loading process The innovative design of this boat accessory utilizes powerful suction cups to safely and reliably secure to any smooth clean surface like your car top or window