Finally, there is a better way to secure pool covers. Gladon's unique two-piece Cover Loc System™ design is engineered to form a positive interlock between a pools' top rails and cover. The Cover Loc System™ eliminates the need for cables, draw strings, plastic bottles, and weights. During periods of high winds, the cover loc system restricts wind lift and pool cover movement along each top rail. Unlike cables, draw strings, plastic bottles, and weights, the Gladon Cover Loc System™ is an effective way to prolong the life of any cover and reduce top rail paint abrasion. Designed to last for years, the Gladon Cover Loc System™ consists of interlocking male and female cover loc strips made with a special UV stabilized resin. Male cover loc strips snap onto each top rail, while female cover loc strips snap over the cover and onto the male strips. Each male and female cover loc strip is 42 inches long and provides over 115 square inches of gripping surface.