Cover Lock Clip Place clips around pool to secure pool cover. EXCLUSIVE Double BARB locking clip. Superior design. Other pool cover clips fail as they are too wide and rounded- they fall off during strong winds. DOUBLE BARB prevents loosening. 6 inch lenghts - includes 30 clips per pack. Now available on Amazon. BEST DEAL ON AMAZON. Fits most above ground pools with suitable aluminum edge. MADE IN AMERICA! Restricts wind from lifting tarp pool covers. Confirm that you have an edge around pool to fasten clips. Made in America! GREAT!!