Fangrui Product Details Installation Steps: 1. Tear Off One Side Of The Adhesive. 2. Attach The Peeled Side Of The Adhesive To The Hook. 3. After Installing The Hook, Tear Off The Other Side Of The Adhesive. 4. Paste The Adhesive On The Back And Hard To Remove The Air. Note: After The Hat Rack Is Stuck , Please Wait 72 Hours Before Hanging The Hat. This Effect Is The Waiting Time. Otherwise It Not Be Firm. This Is A Newly Designed Hat Rack, Which Allows You To Easily Use More Space To Improve The Messy Hat Placement Situation, Making Your Hats Easy To Store And Take Out. Save Space. Wide Range Of Uses. The Hat Storage Bag Is Suitable For A Variety Of Hats. It Can Not Only Be Used For Hats, But Also For Hanging Headphones, Clothes, Towels, Scarves, Keys, Wallets, Kitchen Utensils, Paper Towels... This Hat Clip Comes With Strong Adhesive No Drilling Required. Just Tear Off The Protective Layer On The Back And On Smooth Hard Surfaces Such As Tiles, Metal Surfaces, Glass, Doors, Etc. Do Not Use It On Wallpaper And Rough Surfac