Blue Wave - Blue Wave Cover Lock Jr - 36-Pack - Cover Loc Jr. Unique Cover Lock System Is Superior To One-Piece Clips! This Deluxe Two-Part Cover Lock System Will Not Pull Off In The Strongest Winter Winds. Just Snap Together The 5&quot; Male And Female Clips And Your Cover Will Stay Firmly Secured. Invest In The Cover Loc Jr. And Extend The Life Of Your Winter Cover! Perfect For High-Wind Areas. Use A Minimum Of Three Clips Per Upright. Available In 12-Packs.