TideSlide R Mooring Systems are manufactured and distributed by PSI Marine Inc. TideSlides R are designed to increase a vessels survivability during catastrophic storms and Hurricanes. TideSlides R are manufactured from the finest materials, 316 Marine Grade Stainless Steels and proprietary polymers that are 100% UV Stable and Ultra-strong. PSI Marine Inc also makes TideSlideR Systems for Floating Dock Attachment and also Commercial/Military Grade systems for ships and piers. No Slack lines limits inertia and keeps the boat from building too much momentum against the lines and cleats. TideSlides R also provide free vertical movement for wind, wakes and tides. 1(800)780-6094 or (989)695-2646 or www.TideSlide.com